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

1

2014 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Physics (PH) 2014

Rajan was not happy that Sajan decided to do the project on his own. On observing his unhappiness, Sajan explained to Rajan that he preferred to work independently.
Which one of the statements below is logically valid and can be inferred from the above sentences?

A

Rajan has decided to work only in a group.

B

Rajan and Sajan were formed into a group against their wishes.

C

Sajan had decided to give in to Rajan’s request to work with him.

D

Rajan had believed that Sajan and he would be working together.

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2

2014 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Physics (PH) 2014

Anuj, Bhola, Chandan, Dilip, Eswar and Faisal live on different floors in a six-storeyed building (the ground floor is numbered 1, the floor above it 2, and so on). Anuj lives on an even-numbered floor. Bhola does not live on an odd numbered floor. Chandan does not live on any of the floors below Faisal’s floor. Dilip does not live on floor number 2. Eswar does not live on a floor immediately above or immediately below Bhola. Faisal lives three floors above Dilip. Which of the following floor-person combinations is correct?

A

B

C

D

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3

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

Physics (PH) 2015

Tanya is older than Eric.
Cliff is older than Tanya.
Eric is older than Cliff
If the first two statements are true, then the third statement is:

A

True

B

False

C

Uncertain

D

Data insufficient

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4

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

Physics (PH) 2015

Given below are two statements followed by two conclusions. Assuming these statements to be true, decide which one logically follows.\n\nStatements:\nI. No manager is a leader.\nII. All leaders are executives.\n\nConclusions:\nI. No manager is an executive.\nII. No executive is a manager.

A

Only conclusion I follows

B

Only conclusion II follows

C

Neither conclusion I nor II follows

D

Both conclusions I and II follow

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5

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

Physics (PH) 2015

Which one of the following DOES NOT represent an exclusive OR operation for inputs \(A\) and \(B\)?

A

\((A+B)\overline{A}\overline{B}\)

B

\(A\overline{B}+B\overline{A}\)

C

\((A+B)(\overline{A}+\overline{B})\)

D

\((A+B)AB\)

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6

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

Physics (PH) 2016

Fact: If it rains, then the field is wet.
Read the following statements:
(i) It rains
(ii) The field is not wet
(iii) The field is wet
(iv) It did not rain
Which one of the options given below is NOT logically possible, based on the given fact?

A

If (iii), then (iv).

B

If (i), then (iii).

C

If (i), then (ii).

D

If (ii), then (iv).

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7

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

Physics (PH) 2016

A smart city integrates all modes of transport, uses clean energy and promotes sustainable use of resources. It also uses technology to ensure safety and security of the city, something which critics argue, will lead to a surveillance state.
Which of the following can be logically inferred from the above paragraph?
(i) All smart cities encourage the formation of surveillance states.
(ii) Surveillance is an integral part of a smart city.
(iii) Sustainability and surveillance go hand in hand in a smart city.
(iv) There is a perception that smart cities promote surveillance.

A

(i) and (iv) only

B

(ii) and (iii) only

C

(iv) only

D

(i) only

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8

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

Physics (PH) 2017

A rule states that in order to drink beer, one must be over 18 years old. In a bar, there are 4 people. P is 16 years old, Q is 25 years old, R is drinking milkshake and S is drinking a beer. What must be checked to ensure that the rule is being followed?

A

Only P's drink

B

Only P's drink and S's age

C

Only S's age

D

Only P's drink, Q's drink and S's age

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9

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

Physics (PH) 2019

Some students were not involved in the strike.
If the above statement is true, which of the following conclusions is/are logically necessary?
1. Some who were involved in the strike were students.
2. No student was involved in the strike.
3. At least one student was involved in the strike.
4. Some who were not involved in the strike were students.

A

1 and 2

B

3

C

4

D

2 and 3

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10

2021 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Physics (PH) 2021

1. Some football players play cricket.
2. All cricket players play hockey.
Among the options given below, the statement that logically follows from the two statements 1 and 2 above, is:

A

No football player plays hockey.

B

Some football players play hockey.

C

All football players play hockey.

D

All hockey players play football.

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11

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

Physics (PH) 2022

Healthy eating is a critical component of healthy aging. When should one start eating healthy? It turns out that it is never too early. For example, babies who start eating healthy in the first year are more likely to have better overall health as they get older.

Which one of the following is the CORRECT logical inference based on the information in the above passage?

A

Healthy eating is important for those with good health conditions, but not for others

B

Eating healthy can be started at any age, earlier the better

C

Eating healthy and better overall health are more correlated at a young age, but not older age

D

Healthy eating is more important for adults than kids

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12

2025 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Physics (PH) 2025

A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K).
Which one of the following options displays the color codes that are consistent with the color model?

A

B

C

D

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13

2023 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Physics (PH) 2023

In 2022, June Huh was awarded the Fields medal, which is the highest prize in Mathematics.
When he was younger, he was also a poet. He did not win any medals in the International Mathematics Olympiads. He dropped out of college.
Based only on the above information, which one of the following statements can be logically inferred with certainty?

A

Every Fields medalist has won a medal in an International Mathematics Olympiad.

B

Everyone who has dropped out of college has won the Fields medal.

C

All Fields medalists are part-time poets.

D

Some Fields medalists have dropped out of college.

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14

2023 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Physics (PH) 2023

Human beings are one among many creatures that inhabit an imagined world. In this imagined world, some creatures are cruel. If in this imagined world, it is given that the statement “Some human beings are not cruel creatures” is FALSE, then which of the following set of statement(s) can be logically inferred with certainty?
(i) All human beings are cruel creatures.
(ii) Some human beings are cruel creatures.
(iii) Some creatures that are cruel are human beings.
(iv) No human beings are cruel creatures.

A

only (i)

B

only (iii) and (iv)

C

only (i) and (ii)

D

(i), (ii) and (iii)

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15

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

Physics (PH) 2026

Consider the cube shown below with its 8 corners labelled a, b, c, d, e, f, g, and h. The figure is representative. All corners are to be colored such that any two corners that are connected by an edge must be of different colors. The minimum number of colors required to achieve this is _____

A

8

B

4

C

3

D

2

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16

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

Physics (PH) 2026

Four hills H1, H2, H3, and H4 are present in an area. The following observations are made about them:
i. Neither H2 nor H3 is the easternmost hill.
ii. Neither H2 nor H3 is the westernmost hill.
iii. Neither the easternmost hill nor the westernmost hill is the southernmost hill.
iv. Two hills are located to the west of H2.
v. The southernmost hill has at least two hills to its east.

The southernmost hill is _____.

A

H1

B

H2

C

H3

D

H4

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