Syllogism UPSC Questions

Syllogism MCQ Questions

13.

Examine the following statements:
1. Only those who have a pair of binoculars can become the members of the birdwatcher's club.
2. Some members of the bird watcher's club have cameras.
3. Those members who have cameras can take part in photo-contests.
Which of the following conclusions can be drawn from the above statements?

A.

All those who have a pair of binoculars are members of the birdwatcher's club.

B.

All members of the birdwatcher's club have a pair of binoculars.

C.

All those who take part in photo-contests are members of the birdwatcher's club.

D.

No conclusion can be drawn.

ANSWER :

B. All members of the birdwatcher's club have a pair of binoculars.
Examine the following statements: 1. Only those who have a pair of binoculars can become the members of the birdwatcher's club. 2. Some members of the bird watcher's club have cameras. 3. Those members who have cameras can take part in photo-contests. Which of the following conclusions can be drawn from the above statements?

14.

Consider the following statements:
1. All artists are whimsical.
2. Some artists are drug addicts.
3. Frustrated people are prone to become drug addicts.
From the above three statements it may be concluded that

A.

Artists are frustrated.

B.

Some drug addicts are whimsical.

C.

All frustrated people are drug addicts.

D.

Whimsical people are generally frustrated.

ANSWER :

B. Some drug addicts are whimsical.
Consider the following statements: 1. All artists are whimsical. 2. Some artists are drug addicts. 3. Frustrated people are prone to become drug addicts. From the above three statements it may be concluded that

15.

In the question below there are four statements followed by two conclusions I and II. You have to take the four given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the four statements disregarding commonly known facts
Statements:
Some rivers are oceans.
No oceans are seas.
All seas are lakes.
No lakes are rivers.
Conclusions:
I. Some lakes being oceans is a possibility.
II. Some rivers are not seas.

A.

Only conclusion I follows

B.

Only conclusion II follows

C.

Both conclusion I and conclusion II follow

D.

Neither conclusion I nor conclusion II follows 

ANSWER :

C. Both conclusion I and conclusion II follow
In the question below there are four statements followed by two conclusions I and II. You have to take the four given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the four statements disregarding commonly known facts Statements: Some rivers are oceans. No oceans are seas. All seas are lakes. No lakes are rivers. Conclusions: I. Some lakes being oceans is a possibility. II. Some rivers are not seas.

16.

In the question below there are three statements followed by two conclusions I and II. You have to take the three given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the four statements disregarding commonly known facts
Statements:
A few of my friends are teachers.
Teachers are rude.
Some rude persons are good at heart.
Conclusions:
I. A few of my friends are good at heart.
II. Some rude persons may not be teachers.

A.

Only conclusion I follows

B.

Only conclusion II follows

C.

Both conclusion I and conclusion II follow

D.

Either conclusion I or conclusion II follows

ANSWER :

B. Only conclusion II follows
In the question below there are three statements followed by two conclusions I and II. You have to take the three given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the four statements disregarding commonly known facts Statements: A few of my friends are teachers. Teachers are rude. Some rude persons are good at heart. Conclusions: I. A few of my friends are good at heart. II. Some rude persons may not be teachers.

17.

In a questions there are three statements. Which are followed by four conclusions. Choose the conclusions which logically follow from the given statements.
Statements:
Some questions are answers.
Some answers are writers.
All the writers are poets.
Conclusions:
I. Some writers are answers.
II. Some poets are questions.
III. All the questions are poets.
IV. Some poets are answers

A.

Only conclusion I and IV follows

B.

Only conclusion II and III follows

C.

Only conclusion I and II follows

D.

Only conclusion III and IV follows

ANSWER :

A. Only conclusion I and IV follows
In a questions there are three statements. Which are followed by four conclusions. Choose the conclusions which logically follow from the given statements. Statements: Some questions are answers. Some answers are writers. All the writers are poets. Conclusions: I. Some writers are answers. II. Some poets are questions. III. All the questions are poets. IV. Some poets are answers

18.

In a questions two statements are given. Which are followed by four conclusions. Choose the conclusions which logically follow from the given statements.
Statements:
All men are vertebrates.
Some mammals are vertebrates.
Conclusions:
I. All men are mammals.
II. All mammals are men.
III. Some vertebrates are mammals.
IV. All vertebrates are men

A.

All men are mammals.

B.

All mammals are men.

C.

Some Vertebrates are mammals

D.

All vertebrates are men

ANSWER :

C. Some Vertebrates are mammals
In a questions two statements are given. Which are followed by four conclusions. Choose the conclusions which logically follow from the given statements. Statements: All men are vertebrates. Some mammals are vertebrates. Conclusions: I. All men are mammals. II. All mammals are men. III. Some vertebrates are mammals. IV. All vertebrates are men