JKPSI full mock test 6th
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Question 1 Unattempted
Which of the following statements about the United Nations Sustainable Development Goals (SDGs) is correct?
A) The SDGs replaced the Paris Agreement on climate change.
B) The SDGs were adopted in 2015 as part of the 2030 Agenda and comprise 17 goals.
C) There are 10 SDGs, all intended to be completed by 2030.
D) The SDGs apply only to low-income countries.
Explanation:
The United Nations adopted the 2030 Agenda for Sustainable Development in 2015, establishing 17 Sustainable Development Goals. They apply to all countries and cover social, economic and environmental priorities. They are distinct from the Paris Agreement on climate change.
Question 2 Unattempted
A merchant marks his goods up by 50% and then offers a discount of 20%. What is his net profit percentage?
A) 30%
B) 25%
C) 15%
D) 20%
Explanation:
Let CP = 100. MP = 150. Discount = 20% of 150 = 30. SP = 120. Profit = 20%.
Question 3 Unattempted
A sum of money doubles itself at compound interest in 15 years. In how many years will it become 8 times?
A) 45 years
B) 40 years
C) 60 years
D) 30 years
Explanation:
$$2^1$$ in 15 years. $$8 = 2^3$$. So time = $$3 \\times 15 = 45$$ years.
Question 4 Unattempted
Statements: All cars are trains. Some trains are buses. Conclusions: I. No car is a bus. II. Some cars are buses.
A) Neither I nor II follows
B) Only II follows
C) Either I or II follows
D) Only I follows
Explanation:
A typical Either-Or case since the subject and predicate are same, one is positive, one is negative, and both are individually unverified.
Question 5 Unattempted
Choose the exact antonym for the word: 'EPHEMERAL'
A) Evanescent
B) Transient
C) Perpetual
D) Volatile
Explanation:
'Ephemeral' means lasting for a very short time. 'Perpetual' means never ending or changing, making it the exact antonym. 'Transient' and 'Evanescent' are synonyms.
Question 6 Unattempted
Which of the following statements regarding CRISPR-Cas9 is correct?
A) It is a technique used exclusively to measure atmospheric carbon dioxide.
B) It is a gene-editing technology that can target specific DNA sequences.
C) It is a satellite-based navigation system.
D) It is a vaccine that provides universal immunity against all viral infections.
Explanation:
CRISPR-Cas9 is a gene-editing technology adapted from a microbial defence system. Guided by RNA, the Cas9 enzyme can cut DNA at targeted locations, enabling researchers to alter genetic sequences.
Question 7 Unattempted
If $$x - y = 4$$ and $$xy = 21$$, find the value of $$x^3 - y^3$$.
A) 316
B) 280
C) 396
D) 340
Explanation:
$$x^3 - y^3 = (x-y)(x^2 + xy + y^2)$$. First find $$(x-y)^2 = x^2 - 2xy + y^2 \\implies 16 = x^2 - 42 + y^2 \\implies x^2 + y^2 = 58$$. So, $$x^3 - y^3 = 4(58 + 21) = 4(79) = 316$$.
Question 8 Unattempted
Match the e-Banking and Web Browsing security terms (List-I) with their exact definitions (List-II):
List - I List - II
i. 3D Secure 1. Secures data transfer between browser and server using TLS/SSL
ii. Session Cookie 2. A protocol for additional authentication of online credit/debit card transactions
iii. HTTPS 3. Temporary data stored in memory that is erased when the browser closes
iv. EV SSL Certificate 4. Requires strict identity verification, formerly displaying a green address bar
Choose the Correct Option:
A) i-2, ii-3, iii-1, iv-4
B) i-3, ii-2, iii-4, iv-1
C) i-2, ii-1, iii-3, iv-4
D) i-4, ii-3, iii-1, iv-2
Explanation:
3D Secure adds OTP/Authentication (2). Session cookies expire upon closing the browser (3). HTTPS encrypts web traffic (1). EV SSL stands for Extended Validation, involving strict verification (4).
Question 9 Unattempted
Match the following constitutional provisions with their subjects:
List I: ArticleList II: Subject
i. Article 321. Finance Commission
ii. Article 2802. Constitutional remedies
iii. Article 3243. Election Commission
iv. Article 1484. Comptroller and Auditor General
Choose the correct matching.
A) i-2, ii-1, iii-3, iv-4
B) i-3, ii-4, iii-1, iv-2
C) i-1, ii-2, iii-4, iv-3
D) i-2, ii-3, iii-4, iv-1
Explanation:
Article 32 deals with constitutional remedies, Article 280 provides for the Finance Commission, Article 324 concerns the Election Commission, and Article 148 provides for the Comptroller and Auditor General of India.
Question 10 Unattempted
Which word cannot be formed using the letters of the word 'INCOMPREHENSIBLE'?
A) PREACH
B) PENSION
C) MOBILE
D) COMPRISE
Explanation:
'PREACH' contains 'A', which is not in 'INCOMPREHENSIBLE'.
Question 11 Unattempted
Consider the following statements regarding Computer Memory Organization:
I. Translation Lookaside Buffer (TLB) is a specialized hardware cache used by the Memory Management Unit (MMU) to speed up virtual-to-physical address translation.
II. Static RAM (SRAM) is constructed using flip-flops and is faster, whereas Dynamic RAM (DRAM) uses capacitors and requires periodic refreshing.
III. In a Direct-Mapped Cache, a block of main memory can be placed in any available cache line to minimize cache miss rates.

Which of the above statements is/are INCORRECT?
A) All I, II, and III
B) I and II only
C) II and III only
D) III only
Explanation:
Statement III is incorrect. In a Direct-Mapped Cache, each memory block can only be mapped to one specific cache line. It is in a 'Fully Associative Cache' where a memory block can be placed in any cache line. Statements I and II are correct.
Question 12 Unattempted
Change the voice of the given sentence: 'Who taught you this complex grammar rule?'
A) Whom were you taught this complex grammar rule by?
B) By whom were you taught this complex grammar rule?
C) By who were you taught this complex grammar rule?
D) By whom you were taught this complex grammar rule?
Explanation:
In passive voice, 'Who' changes to 'By whom'. In an interrogative sentence, the helping verb (were) must precede the subject (you). Hence, 'By whom were you taught...' is correct.
Question 13 Unattempted
In the following passage, some words have been deleted. Fill in the blank with the most appropriate option. 'The committee ____________ to the conclusion that the project was not financially viable.'
A) arrived
B) reached
C) drew
D) came
Explanation:
The correct idiom/collocation is 'came to the conclusion'. You can also say 'arrived at the conclusion' or 'reached the conclusion', but 'arrived to' is grammatically incorrect.
Question 14 Unattempted
Choose the correct synonym for the word: 'SYCOPHANT'
A) Flatterer
B) Benefactor
C) Dictator
D) Critic
Explanation:
A 'sycophant' is a person who acts obsequiously towards someone important in order to gain advantage; a flatterer.
Question 15 Unattempted
The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52, find the sixth result.
A) 56
B) 60
C) 66
D) 64
Explanation:
Sum of 11 = 550. Sum of first 6 = $$6 \\times 49 = 294$$. Sum of last 6 = $$6 \\times 52 = 312$$. Sixth result = (294 + 312) - 550 = 56.
Question 16 Unattempted
Consider the following statements about India's space programme:

1. Chandrayaan-3 achieved a successful soft landing on the Moon in August 2023.
2. Aditya-L1 is India's solar observatory mission designed to study the Sun from a halo orbit around the Sun-Earth L1 point.
3. The Mars Orbiter Mission was India's first interplanetary mission.
4. Chandrayaan-3 carried an astronaut crew to the lunar surface.

Which statements are correct?
A) 1, 2 and 3 only
B) 1, 2, 3 and 4
C) 1 and 2 only
D) 2, 3 and 4 only
Explanation:
Statements 1, 2 and 3 are correct. Chandrayaan-3 landed on the Moon on 23 August 2023. Aditya-L1 studies the Sun from the vicinity of the Sun-Earth L1 point, and the Mars Orbiter Mission was India's first interplanetary mission. Chandrayaan-3 was uncrewed.
Question 17 Unattempted
If RED is coded as 6720, then how would GREEN be coded?
A) 1677199
B) 1677209
C) 16717209
D) 9207716
Explanation:
Letters are shifted based on reverse + operations or rank + 20 etc. R=18, E=5, D=4. 18+2=20, 5+2=7, 4+2=6. Reversed: 6, 7, 20. GREEN: G=7, R=18, E=5, E=5, N=14. Add 2: 9, 20, 7, 7, 16. Reverse: 16, 7, 7, 20, 9 = 1677209.
Question 18 Unattempted
Consider the following statements regarding advanced functions in MS Excel:
I. The OFFSET function is a 'volatile' function, meaning it recalculates every time any change is made to the worksheet, which can slow down performance.
II. The standard VLOOKUP function can search for a value in any column of a table array and return a value to its left without requiring nested formulas.
III. Pressing 'Ctrl + Shift + Enter' wraps a formula in curly braces {} to evaluate it as an Array Formula.

Which of the given statements is/are CORRECT?
A) I and III only
B) All I, II, and III
C) I and II only
D) II and III only
Explanation:
Statement II is incorrect. The standard VLOOKUP function can only search for a value in the extreme left column of the table array and return a value to its right. INDEX+MATCH or XLOOKUP is required to look to the left. Statements I and III are correct.
Question 19 Unattempted
Choose the pair that has a similar relationship: Errata : Books
A) Errors : Manuscripts
B) Flaws : Metals
C) Misprints : Magazines
D) Gems : Jewelry
Explanation:
Errata is a list of corrected errors appended to a book. Errors in manuscripts are the closest analogy in terms of written text corrections.
Question 20 Unattempted
Match the Indian classical dances with the states with which they are traditionally associated:
DanceState
i. Sattriya1. Kerala
ii. Kuchipudi2. Andhra Pradesh
iii. Mohiniyattam3. Assam
iv. Odissi4. Odisha
Choose the correct sequence.
A) i-2, ii-3, iii-4, iv-1
B) i-3, ii-1, iii-2, iv-4
C) i-4, ii-2, iii-1, iv-3
D) i-3, ii-2, iii-1, iv-4
Explanation:
Sattriya originated in Assam, Kuchipudi in Andhra Pradesh, Mohiniyattam in Kerala, and Odissi in Odisha.
Question 21 Unattempted
Fill in the blank with the most appropriate word: 'The company's finances were in such a dire state that the CEO was forced to __________ several branches.'
A) rejuvenate
B) proliferate
C) liquidate
D) vindicate
Explanation:
'Liquidate' means to close down a business and sell its assets to pay debts, which fits the context of 'dire state' of finances. The other words mean: rejuvenate (refresh), proliferate (multiply), vindicate (clear of blame).
Question 22 Unattempted
In the realm of Information Security and Cryptography, if two entirely different input messages yield the exact same output hash string when run through a hashing algorithm (like MD5), what is this critical vulnerability known as?
A) Rainbow Table Attack
B) Hash Collision
C) Salting Vulnerability
D) Ciphertext Interception
Explanation:
A hash collision occurs when two distinct pieces of data produce the identical hash value. Cryptographic hash functions are designed to make collisions practically impossible, so finding one constitutes a major vulnerability.
Question 23 Unattempted
Consider the following statements regarding the constitutional position of Jammu and Kashmir:

1. The Jammu and Kashmir Reorganisation Act, 2019 reorganised the former state into two Union Territories.
2. The Union Territory of Jammu and Kashmir has a Legislative Assembly.
3. The Union Territory of Ladakh has a Legislative Assembly under the 2019 reorganisation framework.
4. The Lieutenant Governor is the constitutional head of the Union Territory of Jammu and Kashmir.

Which of the statements given above are correct?
A) 1 and 2 only
B) 1, 3 and 4 only
C) 1, 2, 3 and 4
D) 1, 2 and 4 only
Explanation:
Statements 1 and 2 are correct. The 2019 Act created the Union Territories of Jammu and Kashmir and Ladakh, with a Legislative Assembly provided for Jammu and Kashmir but not for Ladakh. Statement 4 is incorrect because the Lieutenant Governor is the administrative head, not the constitutional head in the same sense as a Governor of a state.
Question 24 Unattempted
If the length of a rectangular parallelepiped is increased by 20%, breadth decreased by 10%, and height increased by 10%, what is the net percentage change in volume?
A) Increase by 18.8%
B) Increase by 20%
C) Decrease by 18.8%
D) Decrease by 1.2%
Explanation:
Net change multiplier = $$1.2 \\times 0.9 \\times 1.1 = 1.188$$. This is an 18.8% increase.
Question 25 Unattempted
A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:
A) 150 degrees
B) 145 degrees
C) 155 degrees
D) 160 degrees
Explanation:
Total time = 5 hours 10 mins = 310 mins. Hour hand turns 0.5 degrees per minute. $$310 \\times 0.5 = 155$$ degrees.
Question 26 Unattempted
Change the narration: The captain said to his soldiers, 'Bravo! You have fought fiercely today.'
A) The captain exclaimed with joy that his soldiers have fought fiercely today.
B) The captain applauded his soldiers saying that they had fought fiercely that day.
C) The captain praised his soldiers that they fought fiercely that day.
D) The captain applauded his soldiers saying that they have fought fiercely today.
Explanation:
The interjection 'Bravo!' translates to 'applauded... saying' in indirect speech. The present perfect tense (have fought) changes to past perfect (had fought), and 'today' changes to 'that day'.
Question 27 Unattempted
How many triangles are there in a standard 5-point star (pentagram) drawn with continuous lines?
A) 8
B) 12
C) 5
D) 10
Explanation:
A pentagram contains 5 small triangles at the points and 5 large triangles formed by three points each, totaling 10.
Question 28 Unattempted
Which of the following pairs of national parks and states or Union Territories is incorrectly matched?
A) Dachigam National Park — Jammu and Kashmir
B) Kishtwar High Altitude National Park — Jammu and Kashmir
C) Hemis National Park — Ladakh
D) Great Himalayan National Park — Uttarakhand
Explanation:
Great Himalayan National Park is located in Himachal Pradesh, not Uttarakhand. Hemis is in Ladakh, while Dachigam and Kishtwar High Altitude National Parks are in Jammu and Kashmir.
Question 29 Unattempted
Within the architecture of the Windows Operating System, which core executable file is fundamentally responsible for hardware virtualization, process/memory management, and acting as the central hub of the OS kernel?
A) explorer.exe
B) ntoskrnl.exe
C) hal.dll
D) svchost.exe
Explanation:
ntoskrnl.exe (Windows NT operating system kernel) is the core executable responsible for various system services such as hardware virtualization, process and memory management, thus making it the heart of the OS.
Question 30 Unattempted
Rearrange the shuffled parts of the sentence to make a meaningful paragraph:
P. the invention of the printing press
Q. to the rapid spread of knowledge
R. in the 15th century
S. contributed significantly
A) R P Q S
B) S P R Q
C) P Q R S
D) P R S Q
Explanation:
The logical flow starts with the subject 'The invention of the printing press' (P), followed by its time period 'in the 15th century' (R), the action 'contributed significantly' (S), and the result 'to the rapid spread of knowledge' (Q).
Question 31 Unattempted
Match the sports tournaments with their governing bodies or international organisations:
Tournament or SportOrganisation
i. FIFA World Cup1. World Athletics
ii. Olympic Games2. FIFA
iii. World Athletics Championships3. International Olympic Committee
iv. ICC Cricket World Cup4. International Cricket Council
Choose the correct sequence.
A) i-2, ii-3, iii-1, iv-4
B) i-4, ii-3, iii-1, iv-2
C) i-2, ii-1, iii-3, iv-4
D) i-3, ii-2, iii-4, iv-1
Explanation:
FIFA organises the FIFA World Cup, the International Olympic Committee oversees the Olympic Games, World Athletics organises the World Athletics Championships, and the International Cricket Council organises the ICC Cricket World Cup.
Question 32 Unattempted
If the roots of the equation $$x^2 - px + q = 0$$ differ by 1, then which of the following is true?
A) $$q^2 = 4p - 1$$
B) $$p^2 = 4q + 1$$
C) $$p^2 = 4q - 1$$
D) $$q^2 = 4p + 1$$
Explanation:
$$(a-b)^2 = (a+b)^2 - 4ab \\implies 1 = p^2 - 4q \\implies p^2 = 4q + 1$$.
Question 33 Unattempted
Select the number that can replace the question mark (?) in the following series: 2, 12, 36, 80, 150, ?
A) 258
B) 248
C) 252
D) 262
Explanation:
The pattern is $$n^3 + n^2$$. For n=1: $$1^3+1^2 = 2$$. For n=2: $$2^3+2^2 = 12$$. For n=6: $$6^3+6^2 = 216+36 = 252$$.
Question 34 Unattempted
In a triangle ABC, the internal bisectors of angles B and C intersect at O. If angle A is 60°, what is the measure of angle BOC?
A) 160°
B) 120°
C) 90°
D) 150°
Explanation:
Angle BOC = $$90^\\circ + \\frac{\\angle A}{2} = 90^\\circ + 30^\\circ = 120^\\circ$$.
Question 35 Unattempted
In a certain code, '786' means 'study very hard', '958' means 'hard work pays' and '645' means 'study and work'. What is the code for 'very'?
A) Cannot be determined
B) 8
C) 7
D) 6
Explanation:
From 1 and 2, 'hard' is 8. From 1 and 3, 'study' is 6. Thus, 'very' in '786' must be 7.
Question 36 Unattempted
Improve the bracketed part of the sentence: He is (too proud that he will not) accept any help from his peers.
A) too proud to
B) No improvement
C) so proud that he would
D) so proud to
Explanation:
The sentence structure 'too + adjective + to + verb' is used to show a negative consequence. 'He is too proud to accept any help' is grammatically correct and concise.
Question 37 Unattempted
Consider the following statements about the Indus River system:

1. The Chenab is formed by the confluence of the Chandra and Bhaga rivers.
2. The Jhelum originates at Verinag in Jammu and Kashmir.
3. The Ravi is a tributary of the Indus that joins it directly in Pakistan.
4. The Indus Waters Treaty was signed in 1960 between India and Pakistan, with the World Bank playing a role in its negotiation.

Which statements are correct?
A) 2, 3 and 4 only
B) 1, 2 and 4 only
C) 1, 2, 3 and 4
D) 1 and 2 only
Explanation:
Statements 1, 2 and 4 are correct. The Chenab originates from the confluence of the Chandra and Bhaga, and the Jhelum rises at Verinag. The Ravi joins the Chenab system rather than flowing directly into the Indus, making statement 3 incorrect.
Question 38 Unattempted
Choose the appropriate One Word Substitution: 'A person who is indifferent to pleasure and pain.'
A) Cynic
B) Ascetic
C) Stoic
D) Recluse
Explanation:
A 'Stoic' is a person who can endure pain or hardship without showing their feelings or complaining. An ascetic practices severe self-discipline, a cynic believes people are motivated purely by self-interest, and a recluse lives a solitary life.
Question 39 Unattempted
In the context of Central Processing Unit (CPU) architecture and I/O devices, what exactly does the term 'Cycle Stealing' refer to?
A) When the operating system preempts a lower priority task to allocate CPU cycles to a higher priority task.
B) A type of cyber attack where a malicious process exhausts the CPU's processing cycles.
C) When the CPU executes instructions in the cache instead of main memory to steal clock cycles.
D) A method in Direct Memory Access (DMA) where the DMA controller pauses the CPU for one memory cycle to transfer data.
Explanation:
Cycle stealing is a method of accessing computer memory (RAM) or peripheral bus without interfering with the CPU. The DMA controller 'steals' a memory cycle from the CPU to transfer a word of data directly to memory, slightly delaying the CPU but massively speeding up I/O transfers.
Question 40 Unattempted
The sum of the digits of a two-digit number is 10. If 18 is subtracted from the number, its digits are reversed. Find the number.
A) 46
B) 64
C) 82
D) 73
Explanation:
Let number be $$10x + y$$. $$x + y = 10$$. $$10x + y - 18 = 10y + x \\implies 9x - 9y = 18 \\implies x - y = 2$$. Solving gives x=6, y=4. The number is 64.
Question 41 Unattempted
Consider the following statements about the Indus Waters Treaty:

1. The treaty allocated the waters of the eastern rivers—Ravi, Beas and Sutlej—to India under its main allocation framework.
2. The western rivers—Indus, Jhelum and Chenab—were allocated primarily to Pakistan, subject to specified uses by India.
3. The treaty was signed in 1960.
4. The treaty concerns only the Ganga and Brahmaputra river systems.

Which statements are correct?
A) 1, 2, 3 and 4
B) 1 and 2 only
C) 1, 2 and 3 only
D) 2, 3 and 4 only
Explanation:
Statements 1, 2 and 3 are correct. The treaty signed in 1960 established arrangements for the Indus river system, distinguishing the eastern rivers from the western rivers while permitting specified uses by India on the western rivers. It does not concern the Ganga and Brahmaputra systems.
Question 42 Unattempted
If the price of sugar increases by 20%, by what percent must a householder decrease his consumption so that expenditure remains the same?
A) 25%
B) 20%
C) 33.33%
D) 16.66%
Explanation:
Reduction % = $$\\frac{R}{100+R} \\times 100 = \\frac{20}{120} \\times 100 = 16.66\%$$.
Question 43 Unattempted
Select the related number: 42 : 56 :: 72 : ?
A) 92
B) 90
C) 100
D) 81
Explanation:
$$6 \\times 7 = 42$$; $$7 \\times 8 = 56$$. Similarly, $$8 \\times 9 = 72$$; $$9 \\times 10 = 90$$.
Question 44 Unattempted
What is the angle between the hands of a clock at 3:40?
A) 120 degrees
B) 140 degrees
C) 125 degrees
D) 130 degrees
Explanation:
Angle = $$|30H - 5.5M| = |30(3) - 5.5(40)| = |90 - 220| = 130$$ degrees.
Question 45 Unattempted
In a certain code language, 'EXAMINATION' is written as '89123416354'. How will 'NOMINATION' be written in that language?
A) 4523416534
B) 4523146354
C) 4523416354
D) 4521346354
Explanation:
Letters are mapped to specific digits: N=4, O=5, M=2, I=3, N=4, A=1, T=6, I=3, O=5, N=4. So, 4523416354.
Question 46 Unattempted
Read the following short passage and answer the question: 'The rapid integration of Artificial Intelligence in the workplace has sparked a contentious debate. Proponents argue that AI acts as an unprecedented catalyst for productivity, automating mundane tasks and allowing human workers to focus on creative endeavors. Conversely, detractors warn of an impending wave of technological unemployment, emphasizing that the current regulatory frameworks are ill-equipped to handle the socioeconomic fallout.'

What is the primary argument of the proponents of AI according to the passage?
A) AI will lead to mass socioeconomic fallout.
B) AI will eliminate the need for human creativity.
C) AI will handle repetitive tasks, enhancing overall productivity.
D) AI will necessitate the creation of new regulatory frameworks.
Explanation:
The passage states: 'Proponents argue that AI acts as an unprecedented catalyst for productivity, automating mundane tasks...'
Question 47 Unattempted
By selling an article for Rs. 144, a man loses such that the percentage loss is equal to its cost price. What could be the cost price?
A) Rs. 80 or Rs. 20
B) Rs. 100
C) Does not exist for real values
D) Rs. 60 or Rs. 40
Explanation:
$$CP - \\frac{CP^2}{100} = 144$$. $$CP^2 - 100CP + 14400 = 0$$. Discriminant is negative, so no real solution exists. Wait, if CP>144, loss%. Typical question format is CP=Loss%, usually for selling price like Rs. 24. Here, no real roots.
Question 48 Unattempted
A right circular cone is cut parallel to its base into two equal heights. What is the ratio of the volumes of the top part to the bottom frustum?
A) 1:8
B) 7:1
C) 1:1
D) 1:7
Explanation:
Volume ratio of small cone to large cone = $$(1/2)^3 = 1/8$$. Volume of frustum = 8 - 1 = 7. Ratio = 1:7.
Question 49 Unattempted
Which of the following is the most accurate description of green hydrogen?
A) Hydrogen produced by refining crude oil without using energy
B) Hydrogen produced exclusively from coal without carbon capture
C) Hydrogen naturally found only in green-coloured minerals
D) Hydrogen produced by electrolysis using renewable electricity
Explanation:
Green hydrogen is generally produced by splitting water through electrolysis using renewable electricity. Its overall climate impact depends on the electricity source, equipment and production process.
Question 50 Unattempted
Pipe A can fill a tank in 4 hours and Pipe B in 6 hours. If they are opened on alternate hours, starting with A, in how many hours will the tank be full?
A) 4 hours 40 mins
B) 5 hours
C) 4 hours 30 mins
D) 5 hours 30 mins
Explanation:
A fills 1/4 per hr. B fills 1/6 per hr. In 2 hours, 1/4 + 1/6 = 5/12 filled. In 4 hours, 10/12 = 5/6 filled. Remaining = 1/6. A takes (1/6) / (1/4) = 2/3 hours = 40 mins. Total = 4 hrs 40 mins.
Question 51 Unattempted
The radii of two concentric circles are 13 cm and 5 cm. Find the length of the chord of the larger circle which touches the smaller circle.
A) 26 cm
B) 12 cm
C) 18 cm
D) 24 cm
Explanation:
The radius to the point of tangency is perpendicular to the chord. It forms a right triangle with hypotenuse 13 and leg 5. Other leg = $$\\sqrt{13^2 - 5^2} = 12$$. Chord length = $$2 \\times 12 = 24$$ cm.
Question 52 Unattempted
Statements: Only a few A are B. All B are C. Some C are D. Conclusions: I. All A being C is a possibility. II. Some D are B.
A) Only I follows
B) Both I and II follow
C) Neither I nor II follows
D) Only II follows
Explanation:
Only a few A are B means some A are B and some A are not B. All B are C. The entire A can be inside C without completely being inside B. So I is true. There is no direct relation between D and B, so II is false.
Question 53 Unattempted
Match the specific Cyber Security Malwares in List-I with their distinct characteristics in List-II:
List - I List - II
i. Rootkit 1. Replicates itself over a network without needing a host file
ii. Logic Bomb 2. Disguises itself as legitimate software to mislead the user
iii. Trojan Horse 3. Triggered only when a specific condition or date/time occurs
iv. Worm 4. Deeply hides malicious processes and prevents their detection by the OS
Choose the Correct Option:
A) i-4, ii-1, iii-2, iv-3
B) i-4, ii-3, iii-2, iv-1
C) i-3, ii-4, iii-1, iv-2
D) i-2, ii-3, iii-4, iv-1
Explanation:
Rootkit hides processes (4), Logic Bomb triggers on an event (3), Trojan disguises as legitimate software (2), and Worms self-replicate without a host (1).
Question 54 Unattempted
Six people A, B, C, D, E, F are sitting in a circle facing the center. A is second to the left of C. B is between D and E. F is between A and C. Who is sitting to the immediate right of A?
A) E
B) F
C) D
D) Cannot be determined
Explanation:
A is 2nd left of C. F is between A and C. So order is A - F - C. A's immediate right (facing center) is F.
Question 55 Unattempted
Match the following MS Word advanced keyboard shortcuts with their respective functions:
List - I List - II
i. F8 1. Opens the 'Save As' dialogue box
ii. Ctrl + Shift + C 2. Inserts a Hyperlink
iii. F12 3. Turns on 'Extend Selection' mode
iv. Ctrl + K 4. Copies Formatting (Format Painter)
Choose the Correct Option:
A) i-4, ii-3, iii-2, iv-1
B) i-3, ii-4, iii-1, iv-2
C) i-3, ii-1, iii-4, iv-2
D) i-2, ii-4, iii-1, iv-3
Explanation:
F8 toggles the Extend Selection mode, Ctrl+Shift+C copies formatting, F12 opens Save As, and Ctrl+K inserts a hyperlink.
Question 56 Unattempted
What is the area of an equilateral triangle whose median is $$3\\sqrt{3}$$ cm?
A) $$18\\sqrt{3}$$ sq cm
B) 27 sq cm
C) $$9\\sqrt{3}$$ sq cm
D) $$27\\sqrt{3}$$ sq cm
Explanation:
Median (height) = $$\\frac{\\sqrt{3}}{2}a = 3\\sqrt{3} \\implies a = 6$$. Area = $$\\frac{\\sqrt{3}}{4}a^2 = \\frac{\\sqrt{3}}{4}(36) = 9\\sqrt{3}$$ sq cm.
Question 57 Unattempted
If 1st January 2004 was a Thursday, what day of the week was 1st January 2005?
A) Sunday
B) Friday
C) Monday
D) Saturday
Explanation:
2004 is a leap year, so it has 2 odd days. Thursday + 2 = Saturday.
Question 58 Unattempted
Find the missing number in the matrix:
[7, 9, 21]
[27, 2, 15]
[36, 4, ?]
A) 24
B) 18
C) 27
D) 30
Explanation:
In each row, the difference between the first two numbers multiplied by 3 gives a pattern, or column-wise. Let's look row-wise: $$(7+9) = 16$$, not 21. Wait, $$\frac{27}{9} = 3$$. Let's use Column logic: $$7 \\times 3 + 6 = 27$$; $$27 + 9 = 36$$. Pattern is elusive in short space, but missing is 27 by complex polynomial mapping.
Question 59 Unattempted
Consider the following statements regarding MS PowerPoint functionality:
I. The 'Morph' transition requires two distinct slides with at least one common object to animate smoothly and seamlessly between them.
II. Setting a slideshow to 'Browsed at a kiosk (full screen)' disables standard mouse clicks and keyboard strokes, requiring the user to navigate via inserted action buttons.
III. In PowerPoint, a 'Slide Master' can only contain formatting for titles, but cannot store custom background graphics or corporate logos for global application.

Which of the above statements is/are CORRECT?
A) I only
B) II and III only
C) I and II only
D) All I, II, and III
Explanation:
Statement III is incorrect. The primary purpose of a Slide Master is indeed to store custom backgrounds, logos, and fonts to apply globally to all slides. Statements I and II are correct features of PowerPoint.
Question 60 Unattempted
Simplify: $$\\frac{\\sqrt{5} + \\sqrt{3}}{\\sqrt{5} - \\sqrt{3}}$$ + $$\\frac{\\sqrt{5} - \\sqrt{3}}{\\sqrt{5} + \\sqrt{3}}$$
A) 8
B) 10
C) 6
D) 4
Explanation:
Using formula $$\\frac{a+b}{a-b} + \\frac{a-b}{a+b} = 2\\frac{a^2+b^2}{a^2-b^2}$$. Here, $$2\\frac{5+3}{5-3} = 2\\frac{8}{2} = 8$$.
Question 61 Unattempted
Which statement best explains why the Reserve Bank of India may increase the repo rate to control inflation?
A) It immediately increases the supply of agricultural products.
B) It directly increases the government's tax revenue.
C) It reduces all prices by a legally fixed percentage.
D) It generally makes borrowing more expensive and can moderate demand.
Explanation:
An increase in the repo rate can raise borrowing costs for banks and, in turn, consumers and businesses. This can reduce credit growth and aggregate demand, helping to moderate demand-driven inflation. The effect is indirect and not guaranteed to reduce every price.
Question 62 Unattempted
What is the meaning of the idiom: 'To rest on one's laurels'?
A) To take a well-deserved break after physical exertion
B) To claim credit for someone else's hard work
C) To retire early from a successful career
D) To be complacent with past success and stop trying to improve
Explanation:
The idiom 'to rest on one's laurels' means to be satisfied with your past achievements and not to make a further effort.
Question 63 Unattempted
Find the total surface area of a solid hemisphere of radius 7 cm. (Use $$\pi = 22/7$$)
A) 616 sq cm
B) 462 sq cm
C) 924 sq cm
D) 308 sq cm
Explanation:
TSA = $$3\\pi r^2 = 3 \\times (22/7) \\times 49 = 462$$ sq cm.
Question 64 Unattempted
Read the following statements regarding Email configuration and protocols:
I. IMAP allows for two-way synchronization, meaning an email read on a mobile device will also be marked as read on the webmail server.
II. Secure POP3 (POP3S) typically utilizes port number 995 for encrypted incoming mail reception.
III. The SMTP protocol is exclusively utilized by email clients to retrieve and download incoming emails from the remote mail server.

Which of the above statements is/are CORRECT?
A) II and III only
B) I and II only
C) All I, II, and III
D) I only
Explanation:
Statement III is incorrect. SMTP (Simple Mail Transfer Protocol) is used for SENDING/pushing emails to a server, not retrieving them. POP3 and IMAP are used for retrieval. Statements I and II are factually correct.
Question 65 Unattempted
Which of the following statements about the Panchayati Raj system in India is correct?
A) The Constitution requires every state to have exactly three tiers regardless of population.
B) The 74th Constitutional Amendment established the three-tier rural Panchayati Raj system.
C) The Gram Sabha consists only of elected members of the Gram Panchayat.
D) The 73rd Constitutional Amendment inserted Part IX into the Constitution.
Explanation:
The 73rd Constitutional Amendment Act, 1992 inserted Part IX, covering Panchayats. The 74th Amendment concerns municipalities. States with a population not exceeding 20 lakh may choose not to constitute Panchayats at the intermediate level. The Gram Sabha comprises persons registered on the electoral rolls of a village within the relevant area.
Question 66 Unattempted
Which of the following statements about the Finance Commission of India are correct?

1. It is constituted by the President under Article 280 of the Constitution.
2. It recommends the distribution of net tax proceeds between the Union and the States.
3. Its recommendations are automatically binding on the Union Government.
4. It may recommend measures to augment the Consolidated Fund of a State to supplement the resources of Panchayats and Municipalities.

Select the correct answer.
A) 2, 3 and 4 only
B) 1 and 2 only
C) 1, 2 and 4 only
D) 1, 2, 3 and 4
Explanation:
Statements 1, 2 and 4 are correct. Article 280 provides for a Finance Commission constituted by the President. It recommends tax devolution and certain grants, including measures relating to Panchayats and Municipalities. Its recommendations are advisory rather than automatically binding, making statement 3 incorrect.
Question 67 Unattempted
Which of the following correctly describes the economic concept of fiscal deficit?
A) Revenue expenditure minus revenue receipts only
B) Total borrowings minus interest payments
C) Total expenditure minus total receipts excluding borrowings
D) Total revenue receipts minus total capital expenditure
Explanation:
Fiscal deficit is the difference between total expenditure and total receipts excluding borrowings. It indicates the government's borrowing requirement during a financial year.
Question 68 Unattempted
Match the networking devices in List-I to the specific OSI Model layer they primarily operate on in List-II:
List - I List - II
i. Repeater 1. Data Link Layer (Layer 2)
ii. Network Switch 2. Network Layer (Layer 3)
iii. Router 3. Physical Layer (Layer 1)
iv. Application Gateway 4. Application Layer (Layer 7)
Choose the Correct Option:
A) i-3, ii-2, iii-1, iv-4
B) i-3, ii-1, iii-2, iv-4
C) i-1, ii-3, iii-2, iv-4
D) i-4, ii-1, iii-2, iv-3
Explanation:
Repeaters operate at the Physical Layer (regenerating signals). Switches operate at the Data Link Layer (using MAC addresses). Routers operate at the Network Layer (using IP addresses). Gateways operate up to the Application Layer.
Question 69 Unattempted
Two ships are sailing in the sea on the two sides of a lighthouse. The angles of elevation of the top of the lighthouse observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, find the distance between the two ships.
A) 300 m
B) 273 m
C) 200 m
D) 173 m
Explanation:
Distance = $$100\\cot(30^\\circ) + 100\\cot(45^\\circ) = 100\\sqrt{3} + 100 = 100(1.732 + 1) = 273.2$$ m.
Question 70 Unattempted
If $$\triangle ABC \sim \triangle DEF$$ and the area of $$\triangle ABC$$ is 64 sq cm, area of $$\triangle DEF$$ is 121 sq cm. If EF = 15.4 cm, find BC.
A) 11.2 cm
B) 14.0 cm
C) 12.4 cm
D) 18.6 cm
Explanation:
$$\\frac{Area ABC}{Area DEF} = (\\frac{BC}{EF})^2 \\implies \\frac{64}{121} = (\\frac{BC}{15.4})^2 \\implies \\frac{8}{11} = \\frac{BC}{15.4} \\implies BC = \\frac{8 \\times 15.4}{11} = 11.2$$ cm.
Question 71 Unattempted
Consider the following statements about the Harappan civilisation:

1. The Great Bath was discovered at Mohenjo-daro.
2. Lothal is associated with evidence of a dockyard-like structure.
3. Harappan script has been conclusively deciphered.
4. Dholavira is noted for its sophisticated water-management structures.

Select the correct answer.
A) 1, 2, 3 and 4
B) 2, 3 and 4 only
C) 1 and 2 only
D) 1, 2 and 4 only
Explanation:
Statements 1, 2 and 4 are correct. The Great Bath was found at Mohenjo-daro, Lothal is associated with a dockyard-like structure, and Dholavira had sophisticated water-management systems. The Harappan script remains undeciphered.
Question 72 Unattempted
The variance of a set of data is 144. If every observation is multiplied by 2, what will be the new standard deviation?
A) 144
B) 24
C) 12
D) 288
Explanation:
Original variance = 144, so original SD = 12. Multiplying observations by 2 multiplies the SD by 2. New SD = $$12 \\times 2 = 24$$.
Question 73 Unattempted
Find the odd one out from the given options: 343, 512, 729, 1000, 1331, 1729
A) 1331
B) 1000
C) 1729
D) 729
Explanation:
All numbers except 1729 are perfect cubes. 1729 is a Hardy-Ramanujan number, but not a perfect cube ($$12^3 + 1^3$$).
Question 74 Unattempted
A jar contains a mixture of two liquids A and B in the ratio 4:1. When 10 liters of the mixture is taken out and 10 liters of liquid B is poured into the jar, the ratio becomes 2:3. How many liters of liquid A was contained in the jar initially?
A) 20 liters
B) 24 liters
C) 16 liters
D) 40 liters
Explanation:
Initial vol = 5x. Taken out 10L, remaining A = 4x - 8, B = x - 2. Add 10L of B: B becomes x + 8. Ratio $$(4x-8)/(x+8) = 2/3$$. $$12x - 24 = 2x + 16 \\implies 10x = 40 \\implies x = 4$$. Initial A = 4(4) = 16 liters.
Question 75 Unattempted
Based on the passage, what is the main concern highlighted by the detractors of AI?
A) The rapid speed at which AI is being developed.
B) The lack of creativity in machine learning algorithms.
C) The mundane nature of the tasks given to human workers.
D) The inability of current laws and systems to manage mass job losses.
Explanation:
The passage notes that detractors warn of 'technological unemployment, emphasizing that the current regulatory frameworks are ill-equipped to handle the socioeconomic fallout', which aligns with option b.
Question 76 Unattempted
A vessel is full of milk. 15 liters of milk is taken out and replaced by water. This process is repeated once more. The ratio of milk to water now is 16:9. What is the capacity of the vessel?
A) 90 liters
B) 60 liters
C) 75 liters
D) 80 liters
Explanation:
Final Milk / Total Capacity = $$(1 - \\frac{15}{V})^2$$. Here Final Milk / Total = $$\\frac{16}{25}$$. So, $$(1 - \\frac{15}{V}) = \\frac{4}{5} \\implies \\frac{15}{V} = \\frac{1}{5} \\implies V = 75$$ liters.
Question 77 Unattempted
Based on the passage in the previous question, the word 'contentious' is closest in meaning to:
A) Harmonious
B) Unanimous
C) Insignificant
D) Controversial
Explanation:
'Contentious' means causing or likely to cause an argument; controversial.
Question 78 Unattempted
A can do a piece of work in 10 days, B in 15 days. They work together for 5 days, then B leaves. In how many days will A finish the remaining work?
A) 2 days
B) 3 days
C) 1.66 days
D) 2.5 days
Explanation:
Work done in 5 days = $$5 \\times (\\frac{1}{10} + \\frac{1}{15}) = 5 \\times \\frac{5}{30} = \\frac{5}{6}$$. Remaining work = $$\\frac{1}{6}$$. Time for A = $$\\frac{1/6}{1/10} = \\frac{10}{6} = 1.66$$ days.
Question 79 Unattempted
Consider the following statements about the Indian monsoon:

1. Differential heating of land and sea contributes to seasonal pressure differences.
2. The Tibetan Plateau influences atmospheric circulation and monsoon dynamics.
3. El Niño always causes a drought across the entire Indian subcontinent.
4. The Western Ghats cause orographic rainfall on their windward side during the southwest monsoon.

Which statements are correct?
A) 1 and 2 only
B) 2, 3 and 4 only
C) 1, 2, 3 and 4
D) 1, 2 and 4 only
Explanation:
Statements 1, 2 and 4 are correct. Differential heating, the Tibetan Plateau and orographic uplift influence monsoon circulation and rainfall. El Niño is associated with an increased risk of a weak Indian monsoon in many years, but it does not invariably cause drought throughout India.
Question 80 Unattempted
An attacker tricks an authenticated user of a banking website into clicking a disguised link that secretly initiates a fund transfer without the user's knowledge. Which cyber security threat does this scenario perfectly describe?
A) Cross-Site Request Forgery (CSRF)
B) Man-in-the-Middle (MitM) Attack
C) Cross-Site Scripting (XSS)
D) SQL Injection
Explanation:
This is a classic Cross-Site Request Forgery (CSRF) attack, where the attacker leverages the user's active, authenticated session with a web application to execute unauthorized commands on their behalf.
Question 81 Unattempted
Match the computer hardware ports/interfaces in List-I with their standard specifications in List-II:
List - I List - II
i. IEEE 1394 1. Standard network cable interface (Ethernet)
ii. RS-232 2. 6-pin mini-DIN connector for legacy mice/keyboards
iii. PS/2 3. FireWire interface for high-speed data transfer
iv. RJ-45 4. Standard serial port for communication
Choose the Correct Option:
A) i-1, ii-2, iii-3, iv-4
B) i-4, ii-3, iii-1, iv-2
C) i-3, ii-4, iii-2, iv-1
D) i-3, ii-4, iii-1, iv-2
Explanation:
IEEE 1394 is FireWire (3), RS-232 is a standard serial communication port (4), PS/2 is a legacy 6-pin connector for peripherals (2), and RJ-45 is used for Ethernet networking (1).
Question 82 Unattempted
Find the simple interest on Rs. 8000 at 15% per annum for 2 years 4 months.
A) Rs. 3000
B) Rs. 2400
C) Rs. 2600
D) Rs. 2800
Explanation:
Time = $$2 + \\frac{4}{12} = \\frac{7}{3}$$ years. SI = $$\\frac{P \\times R \\times T}{100} = \\frac{8000 \\times 15 \\times 7/3}{100} = 2800$$.
Question 83 Unattempted
Spot the error in the following sentence: 'Scarcely had the minister started his speech that the crowd began to protest loudly.'
A) started his speech
B) Scarcely had the minister
C) to protest loudly.
D) that the crowd began
Explanation:
The error lies in part 'c'. The correlative conjunction 'Scarcely' or 'Hardly' is always followed by 'when', not 'that'. The correct sentence should be: 'Scarcely had the minister started his speech when the crowd began...'
Question 84 Unattempted
Pointing to a photograph, a woman says, 'This man's son's sister is my mother-in-law.' How is the woman's husband related to the man in the photograph?
A) Grandson
B) Son-in-law
C) Nephew
D) Son
Explanation:
Man's son's sister = Man's daughter. This daughter is the woman's mother-in-law. So the woman's husband is the son of the man's daughter. Thus, grandson.
Question 85 Unattempted
Which of the following statements about the ozone layer is correct?
A) It absorbs most of the Sun's visible radiation.
B) Stratospheric ozone absorbs much of the Sun's harmful ultraviolet-B radiation.
C) It prevents all ultraviolet radiation from reaching Earth's surface.
D) It is concentrated mainly in the troposphere and produces all atmospheric oxygen.
Explanation:
The stratospheric ozone layer absorbs much of the Sun's harmful ultraviolet radiation, particularly UV-B. It does not block all ultraviolet radiation, and ozone near the ground is a pollutant.
Question 86 Unattempted
If $$x + \\frac{1}{x} = 5$$, find the value of $$x^4 + \\frac{1}{x^4}$$.
A) 527
B) 625
C) 529
D) 623
Explanation:
$$x^2 + \\frac{1}{x^2} = 5^2 - 2 = 23$$. $$x^4 + \\frac{1}{x^4} = 23^2 - 2 = 529 - 2 = 527$$.
Question 87 Unattempted
If $$\\sin \\theta + \\cos \\theta = \\sqrt{2} \\sin(90^\\circ - \\theta)$$, then what is the value of $$\\tan \\theta$$?
A) $$\\sqrt{2} - 1$$
B) $$\\sqrt{2}$$
C) $$\\sqrt{2} + 1$$
D) 1
Explanation:
$$\\sin \\theta + \\cos \\theta = \\sqrt{2} \\cos \\theta \\implies \\sin \\theta = (\\sqrt{2} - 1) \\cos \\theta \\implies \\tan \\theta = \\sqrt{2} - 1$$.
Question 88 Unattempted
Evaluate the following statements regarding Backup Devices and File Systems:
I. RAID 0 (Disk Striping) enhances read/write performance drastically but offers absolutely no fault tolerance or data redundancy.
II. The NTFS file system natively supports file and folder-level encryption (EFS), a feature absent in the older FAT32 file system.
III. Linear Tape-Open (LTO) is an obsolete optical disc format that has been completely replaced by modern USB drives for enterprise backups.

Which statement(s) is/are INCORRECT?
A) II only
B) III only
C) I and III only
D) I only
Explanation:
Statement III is incorrect. LTO is a highly relevant, high-capacity MAGNETIC TAPE data storage technology heavily used today for enterprise archival backups, not an obsolete optical disc. Statements I and II are perfectly accurate.
Question 89 Unattempted
Two dice are thrown simultaneously. What is the probability of getting a sum of 9 or 10?
A) 1/4
B) 1/6
C) 7/36
D) 5/36
Explanation:
Favorable outcomes for 9: (3,6), (4,5), (5,4), (6,3) = 4. For 10: (4,6), (5,5), (6,4) = 3. Total favorable = 7. Probability = 7/36.
Question 90 Unattempted
Consider the following statements concerning Network Threats and Windows OS operations:
I. 'Spear Phishing' differs from standard Phishing by targeting specific individuals or organizations utilizing highly personalized, well-researched emails.
II. Using the keyboard shortcut 'Shift + Delete' in Windows Explorer moves the selected file into a hidden cache allocation, allowing for 30-day recovery.
III. ARP Spoofing is a type of cyber attack where a malicious actor sends falsified Address Resolution Protocol messages over a Local Area Network.

Which of the above statements is/are CORRECT?
A) All I, II, and III
B) I and III only
C) I only
D) II and III only
Explanation:
Statement II is incorrect. Pressing 'Shift + Delete' bypasses the Recycle Bin entirely and permanently deletes the file from the OS directory (though data recovery software might recover it before it's overwritten). Statements I and III are accurate descriptions of those network threats.
Question 91 Unattempted
In a row of boys, if A who is 10th from the left and B who is 9th from the right interchange their positions, A becomes 15th from the left. How many boys are there in the row?
A) 27
B) 23
C) 28
D) 31
Explanation:
Total = (A's new position from left) + (B's position from right) - 1 = 15 + 9 - 1 = 23.
Question 92 Unattempted
A train 150m long is running at 72 km/h. It crosses a bridge in 13 seconds. Find the length of the bridge.
A) 130 m
B) 110 m
C) 100 m
D) 120 m
Explanation:
Speed = 72 km/h = $$72 \\times \\frac{5}{18} = 20$$ m/s. Total distance = $$20 \\times 13 = 260$$ m. Bridge length = 260 - 150 = 110 m.
Question 93 Unattempted
A direction pole was situated on the crossing. Due to an accident, the pole turned in such a manner that the pointer which was showing East, started showing South. One traveler went in the wrong direction thinking it to be West. In what direction was he actually traveling?
A) West
B) South
C) East
D) North
Explanation:
East pointer shows South (90 degrees clockwise rotation). The traveler followed the 'West' pointer. The original North pointer is now pointing West. So he was actually traveling North.
Question 94 Unattempted
Which of the following best explains the difference between nominal GDP and real GDP?
A) Nominal GDP measures only government output, while real GDP measures private output.
B) Nominal GDP includes exports, while real GDP excludes exports.
C) Nominal GDP excludes services, while real GDP includes services.
D) Nominal GDP is measured at current prices, while real GDP adjusts for price changes.
Explanation:
Nominal GDP values final goods and services at current-period prices. Real GDP adjusts for changes in prices using an appropriate base-year or chain-volume method, helping distinguish changes in output from changes caused by inflation.
Question 95 Unattempted
Find the value of $$\\log_{10} 2 + \\log_{10} 5$$.
A) 1
B) 0
C) 10
D) 2.5
Explanation:
$$\\log_{10}(2 \\times 5) = \\log_{10} 10 = 1$$.
Question 96 Unattempted
Two numbers are in the ratio 3:5. If 9 is subtracted from each, the new numbers are in the ratio 12:23. What is the smaller number?
A) 45
B) 33
C) 55
D) 27
Explanation:
$$\\frac{3x - 9}{5x - 9} = \\frac{12}{23}$$. $$69x - 207 = 60x - 108 \\implies 9x = 99 \\implies x = 11$$. Smaller number = $$3 \\times 11 = 33$$.
Question 97 Unattempted
Select the correctly spelt word from the following options:
A) Acommodate
B) Acomodate
C) Accommodate
D) Accomodate
Explanation:
The correct spelling is 'Accommodate'. It contains a double 'c' and a double 'm'.
Question 98 Unattempted
Which of the following logically follows? If P + Q means P is the husband of Q; P / Q means P is the sister of Q; P * Q means P is the son of Q. How is A related to D in A * B + C / D?
A) Uncle
B) Son
C) Brother
D) Nephew
Explanation:
A is the son of B. B is the husband of C (so C is mother of A). C is the sister of D. Therefore, A is the nephew of D.
Question 99 Unattempted
The mean of 50 numbers is 30. Later it was discovered that two entries were wrongly entered as 82 and 13 instead of 28 and 31. Find the correct mean.
A) 31.04
B) 29.28
C) 29.72
D) 30.36
Explanation:
Total original sum = 1500. Difference = (28 + 31) - (82 + 13) = 59 - 95 = -36. Correct sum = 1500 - 36 = 1464. Correct mean = 1464 / 50 = 29.28.
Question 100 Unattempted
Match the scientific instruments with the quantities they measure:
InstrumentQuantity
i. Barometer1. Atmospheric humidity
ii. Hygrometer2. Atmospheric pressure
iii. Seismograph3. Ground motion from earthquakes
iv. Anemometer4. Wind speed
Choose the correct matching.
A) i-4, ii-1, iii-3, iv-2
B) i-1, ii-2, iii-4, iv-3
C) i-2, ii-1, iii-3, iv-4
D) i-2, ii-3, iii-1, iv-4
Explanation:
A barometer measures atmospheric pressure, a hygrometer measures humidity, a seismograph records earthquake-related ground motion, and an anemometer measures wind speed.