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

1

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

Agricultural Engineering (AG) 2014

In a group of four children, Som is younger to Riaz. Shiv is elder to Ansu. Ansu is youngest in the group. Which of the following statements is/are required to find the eldest child in the group?
Statements
1. Shiv is younger to Riaz.
2. Shiv is elder to Som.

A

Statement 1 by itself determines the eldest child.

B

Statement 2 by itself determines the eldest child.

C

Statements 1 and 2 are both required to determine the eldest child.

D

Statements 1 and 2 are not sufficient to determine the eldest child.

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2

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

Agricultural Engineering (AG) 2016

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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3

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

Agricultural Engineering (AG) 2016

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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4

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

Agricultural Engineering (AG) 2017

P looks at Q while Q looks at R. P is married, R is not. The number of pairs of people in which a married person is looking at an unmarried person is

A

0

B

1

C

2

D

Cannot be determined

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5

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

Agricultural Engineering (AG) 2017

All people in a certain island are either ‘Knights’ or ‘Knaves’ and each person knows every other person's identity. Knights NEVER lie, and knaves ALWAYS lie.
P says “Both of us are knights”. Q says “None of us are knaves”.
Which one of the following can be logically inferred from the above?

A

Both P and Q are knights

B

P is a knight; Q is a knave

C

Both P and Q are knaves

D

The identities of P, Q cannot be determined

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6

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

Agricultural Engineering (AG) 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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7

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

Agricultural Engineering (AG) 2022

Six persons P, Q, R, S, T and U are sitting around a circular table facing the center not necessarily in the same order. Consider the following statements:

• P sits next to S and T.
• Q sits diametrically opposite to P.
• The shortest distance between S and R is equal to the shortest distance between T and U.

Based on the above statements, Q is a neighbor of

A

U and S

B

R and T

C

R and U

D

P and S

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8

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

Agricultural Engineering (AG) 2022

Rice, a versatile and inexpensive source of carbohydrate, is a critical component of diet worldwide. Climate change, causing extreme weather, poses a threat to sustained availability of rice. Scientists are working on developing Green Super Rice (GSR), which is resilient under extreme weather conditions yet gives higher yields sustainably.
Which one of the following is the CORRECT logical inference based on the information given in the above passage?

A

GSR is an alternative to regular rice, but it grows only in an extreme weather

B

GSR may be used in future in response to adverse effects of climate change

C

GSR grows in an extreme weather, but the quantity of produce is lesser than regular rice

D

Regular rice will continue to provide good yields even in extreme weather

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9

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

Agricultural Engineering (AG) 2022

Given below are three statements and four conclusions drawn based on the statements.
Statement 1: Some engineers are writers.
Statement 2: No writer is an actor.
Statement 3: All actors are engineers.
Conclusion I: Some writers are engineers.
Conclusion II: All engineers are actors.
Conclusion III: No actor is a writer.
Conclusion IV: Some actors are writers.
Which one of the following options can be logically inferred?

A

Only conclusion I is correct

B

Only conclusion II and conclusion III are correct

C

Only conclusion I and conclusion III are correct

D

Either conclusion III or conclusion IV is correct

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10

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

Agricultural Engineering (AG) 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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11

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

Agricultural Engineering (AG) 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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