Top 100+ Logical Deduction - Logical Reasoning Questions Pdf - 1

Question: 1

In each question below are given two statements followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts.
Statements :
Lawyers married only fair girls.
II. Suganya is very fair.
Conclusions :
I. Suganya was married to a lawyer.
II. Suganya was not married to a lawyer.

(A) If only conclusion I follows

(B) If only conclusion 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: C

The data does not mention whether all fair girls were married to lawyers. So, either of the two conclusions may follow.

Question: 2

Statements :
I. All men are married.
II. Some men are educated.
Conclusions :
I. Some married are educated.
II. Some educated are married.

(A) If only conclusion I follows

(B) If only conclusion 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

Since one premise is particular the conclusion must be particular. So, both I and II follow.

Question: 3

Statements :
I. Some men are educated.
II. Educated persons prefer small families.
I. Some men are educated.
II. Educated persons prefer small families.
Conclusions :
I. All small families are educated.
II. Some men prefer small families.

(A) If only conclusion I follows

(B) If only conclusion 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

Since one premise is a particular, the conclusion must be particular. So, only conclusion II follows.

Question: 4

Statements :
I. All coins are crows.
II. Some crows are pens.
Conclusions :
I. No pen is coin.
II. Some coins are pens.

(A) If only conclusion I follows

(B) If only conclusion 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

Since the middle term ‘crows’ is not distributed even once in the premises, so no conclusion follows.

Question: 5

Statements :
I. No women can vote.
II. Some women are politicians.
Conclusions :
I. Male politicians can vote.
II. Some politicians can vote.

(A) If only conclusion I follows

(B) If only conclusion 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

Since one premise is negative, the conclusion must be negative. So, neither conclusion follows.

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