UPSC Logical Reasoning Questions and Answers - 1

Question: 1

In each of the following questions, a statement is given, followed by two conclusions.
Statement:
A man must be wise to be a good wrangler. Good wranglers are talkative and boring.
Conclusions:
I. All the wise persons are boring.
II. All the wise persons are good.

(A) If only conclusion I follows

(B) If only conclusions II follows

(C) If either I or II follows

(D) If neither I nor II follows and

(E) If both I and II follow

Ans: D

According to the statement, good wranglers are wise men. But it doesn’t mean that all wise men are good wranglers. So, neither I nor II follows.

Question: 2

Statement:
Fortune favours the brave.
Conclusions:
Risks are necessary for success.
II. Cowards die many times before their death.

(A) If only conclusion I follows

(B) If only conclusions II follows

(C) If either I or II follows

(D) If neither I nor II follows and

(E) If both I and II follow

Ans: A

According to the statement, only those who tackle situations bravely achieve success. So, I follows. However, II is vague with regard to the given statement and so does not follow.

Question: 3

Statement:
Morning walks are good for health.
Conclusions:
All healthy people go for morning walks.
II. Evening walks are harmful.

(A) If only conclusion I follows

(B) If only conclusions II follows

(C) If either I or II follows

(D) If neither I nor II follows and

(E) If both I and II follow

Ans: D

The statement mentions that morning walks improve health. But this does not mean that all healthy people go for morning walks. So, I does not follow.

Also, nothing is mentioned about evening walks in the statement. So, II does not follow.

Question: 4

Statement:
The interview panel may select a candidate who neither possesses the desired qualifications nor the values and attributes.
Conclusions:
I. The inclusion of specialists on the interview panel does not guarantee that the selection will be proper.
II. The interview test has certain limitations in the matter of selection of candidates.

(A) If only conclusion I follows

(B) If only conclusions II follows

(C) If either I or II follows

(D) If neither I nor II follows and

(E) If both I and II follow

Ans: E

Clearly, both I and II correctly explain the given statement. So, both follow.

Question: 5

Statement:
It is almost impossible to survive and prosper in this world without sacrificing ethics and morality.
Conclusions:
I. World appreciates some concepts but may not uphold it.
II. Concept of ethics and morality are not practicable in life.

(A) If only conclusion I follows

(B) If only conclusions II follows

(C) If either I or II follows

(D) If neither I nor II follows and

(E) If both I and II follow

Ans: B

Clearly, I is vague and so does not follow. However, II directly follows from the given statement.

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