Deductive and Inductive Reasoning - Logic - General Aptitude (GA) Previous Year Questions

1

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2015 [Session 1]

Alexander turned his attention towards India, since he had conquered Persia.
Which one of the statements below is logically valid and can be inferred from the above sentence?

A

Alexander would not have turned his attention towards India had he not conquered Persia.

B

Alexander was not ready to rest on his laurels, and wanted to march to India.

C

Alexander was completely in control of his army and could command it to move towards India.

D

Since Alexander's kingdom extended to Indian borders after the conquest of Persia, he was keen to move further.

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2

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2015 [Session 1]

The head of a newly formed government desires to appoint five of the six selected members P, Q, R, S, T, and U to portfolios of Home, Power, Defense, Telecom, and Finance. U does not want any portfolio if S gets one of the five. R wants either Home or Finance or no portfolio. Q says that if S gets either Power or Telecom, then she must get the other one. T insists on a portfolio if P gets one. Which is the valid distribution of portfolios?

A

P-Home, Q-Power, R-Defense, S-Telecom, T-Finance

B

R-Home, S-Power, P-Defense, Q-Telecom, T-Finance

C

P-Home, Q-Power, T-Defense, S-Telecom, U-Finance

D

Q-Home, U-Power, T-Defense, R-Telecom, P-Finance

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3

2016 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2016 [Session 1]

If ‘reftaga’ means carefree, ‘otaga’ means careful and ‘fertaga’ means careless, which of the following could mean ‘aftercare’?

A

zentaga

B

tagafer

C

tagazen

D

relffer

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4

2016 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2016 [Session 1]

Consider the following statements relating to the level of poker play of four players P, Q, R and S.
I. P always beats Q
II. R always beats S
III. S loses to P only sometimes
IV. R always loses to Q
Which of the following can be logically inferred from the above statements?
(i) P is likely to beat all the three other players
(ii) S is the absolute worst player in the set

A

(i) only

B

(ii) only

C

(i) and (ii)

D

neither (i) nor (ii)

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5

2016 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2016 [Session 2]

Today, we consider Ashoka as a great ruler because of the copious evidence he left behind in the form of stone carved edicts. Historians tend to correlate greatness of a king at his time with the availability of evidence today.
Which of the following can be logically inferred from the above sentences?

A

Emperors who do not leave significant sculpted evidence are completely forgotten.

B

Ashoka produced stone carved edicts to ensure that later historians will respect him.

C

Statues of kings are a reminder of their greatness.

D

A king’s greatness, as we know him today, is interpreted by historians.

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6

2016 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2016 [Session 2]

Fact 1: Humans are mammals.
Fact 2: Some humans are engineers.
Fact 3: Engineers build houses.
If the above statements are facts, which of the following can be logically inferred?
I. All mammals build houses.
II. Engineers are mammals.
III. Some humans are not engineers.

A

II only.

B

III only.

C

I, II and III.

D

I only.

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7

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2017 [Session 2]

Four cards lie on a table. Each card has a number printed on one side and a colour on the other. The faces visible on the cards are 2, 3, red, and blue.

Proposition: If a card has an even value on one side, then its opposite face is red.

The cards which MUST be turned over to verify the above proposition are

A

2, red

B

2, 3, red

C

2, blue

D

2, red, blue

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8

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2017 [Session 2]

Bhaichung was observing the pattern of people entering and leaving a car service centre. There was a single window where customers were being served. He saw that people inevitably came out of the centre in the order that they went in. However, the time they spent inside seemed to vary a lot: some people came out in a matter of minutes while for others it took much longer.

From this, what can one conclude?

A

The centre operates on a first-come-first-served basis, but with variable service times, depending on specific customer needs.

B

Customers were served in an arbitrary order, since they took varying amounts of time for service completion in the centre.

C

Since some people came out within a few minutes of entering the centre, the system is likely to operate on a last-come-first-served basis.

D

Entering the centre early ensured that one would have shorter service times and most people attempted to do this.

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9

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2017 [Session 2]

A map shows the elevations of Darjeeling, Gangtok, Kalimpong, Pelling, and Siliguri.
Kalimpong is at a lower elevation than Gangtok. Pelling is at a lower elevation than Gangtok. Pelling is at a higher elevation than Siliguri. Darjeeling is at a higher elevation than Gangtok.
Which of the following statements can be inferred from the paragraph above?
i. Pelling is at a higher elevation than Kalimpong
ii. Kalimpong is at a lower elevation than Darjeeling
iii. Kalimpong is at a higher elevation than Siliguri
iv. Siliguri is at a lower elevation than Gangtok

A

Only ii

B

Only ii and iii

C

Only ii and iv

D

Only iii and iv

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10

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2017 [Session 2]

P, Q, R, S, T and U are seated around a circular table. R is seated two places to the right of Q. P is seated three places to the left of R. S is seated opposite U. If P and U now switch seats, which of the following must necessarily be true?

A

P is immediately to the right of R

B

T is immediately to the left of P

C

T is immediately to the left of P or P is immediately to the right of Q

D

U is immediately to the right of R or P is immediately to the left of T

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11

2019 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2019 [Session 2]

Mohan, the manager, wants his four workers to work in pairs. No pair should work for more than 5 hours. Ram and John have worked together for 5 hours. Krishna and Amir have worked as a team for 2 hours. Krishna does not want to work with Ram. Whom should Mohan allot to work with John, if he wants all the workers to continue working?

A

Amir

B

Krishna

C

Ram

D

None of the three

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12

2020 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2020 [Session 2]

After the inauguration of the new building, the Head of the Department (HoD) collated faculty preferences for office space. P wanted a room adjacent to the lab. Q wanted to be close to the lift. R wanted a view of the playground and S wanted a corner office.
Assuming that everyone was satisfied, which among the following shows a possible allocation?

A

	PLAYGROUND
ROAD	HoD	Q	R	S
	P		LIFT
	LAB

B

	PLAYGROUND
ROAD	S	R	P	HoD
	Q		LIFT
	LAB

C

	PLAYGROUND
ROAD	S	R	HoD	Q
	P		LIFT
	LAB

D

	PLAYGROUND
ROAD	HoD	S	R	Q
	P		LIFT
	LAB

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13

2022 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2022 [Session 2]

In the last few years, several new shopping malls were opened in the city. The total number of visitors in the malls is impressive. However, the total revenue generated through sales in the shops in these malls is generally low.
Which one of the following is the CORRECT logical inference based on the information in the above passage?

A

Fewer people are visiting the malls but spending more

B

More people are visiting the malls but not spending enough

C

More people are visiting the malls and spending more

D

Fewer people are visiting the malls and not spending enough

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14

2022 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2022 [Session 2]

Given below are two statements and four conclusions drawn based on the statements.
Statement 1: Some soaps are clean.
Statement 2: All clean objects are wet.
Conclusion I: Some clean objects are soaps.
Conclusion II: No clean object is a soap.
Conclusion III: Some wet objects are soaps.
Conclusion IV: All wet objects are soaps.
Which one of the following options can be logically inferred?

A

Only conclusion I is correct

B

Either conclusion I or conclusion II is correct

C

Either conclusion III or conclusion IV is correct

D

Only conclusion I and conclusion III are correct

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15

2024 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2024 [Session 2]

Statements:
1. All heroes are winners.
2. All winners are lucky people.

Inferences:
I. All lucky people are heroes.
II. Some lucky people are heroes.
III. Some winners are heroes.

Which of the above inferences can be logically deduced from statements 1 and 2?

A

Only I and II

B

Only II and III

C

Only I and III

D

Only III

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16

2026 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2026

‘If Anish had scored hundred runs in today’s match, he would have been made the captain of his team. He would have then become the youngest captain in his team’s history. Unfortunately, he got out without scoring any runs. Hence, there won’t be any change in the captaincy for now.’

Based on the paragraph above, which one of the following statements is true?

A

Anish made hundred runs but was denied captaincy.

B

Anish was the captain of his team before the game today.

C

The current captain is older than Anish.

D

Anish is the youngest player in his team.

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17

2026 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2026

'All the mangoes in the basket are good.' If the above statement is false, then which one of the following statements is necessarily true?

A

All the mangoes in the basket are not good.

B

No mango in the basket is good.

C

In the basket, some of the mangoes are good and some are not good.

D

There exists at least one mango in the basket that is not good.

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18

2026 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Civil Engineering (CE) 2026

The Roman senator Meritorius, his brother, his son, and his daughter have varying oratory skill levels. They are seated in rows and columns as shown in the figure with exactly one person sitting in each box. It is known that
(i) Meritorius’ daughter and his brother are seated in the same column.
(ii) His son is seated diagonally across the sibling of the worst orator.
(iii) The best and worst orators are seated in the same row.
Who is the best orator?

A

Meritorius

B

Meritorius’ brother

C

Meritorius’ son

D

Meritorius’ daughter

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