Syllogism UPSC Questions

Syllogism MCQ Questions

1.

Consider the following three statements:
1. Only students can participate in the race.
2. Some participants in the race are girls.
3. All girl participants in the race are invited for coaching.
Which one of the following conclusions can be drawn from the above statements?

A.

All participants in the race are invited for coaching.

B.

All students are invited for coaching.

C.

All participant in the race are students.

D.

None of the statements (a), (b) and ( c) given above is correct.

ANSWER :

C. All participant in the race are students.
Consider the following three statements: 1. Only students can participate in the race. 2. Some participants in the race are girls. 3. All girl participants in the race are invited for coaching. Which one of the following conclusions can be drawn from the above statements?

2.

The following two items consists of four statements. Of these four Statements, two cannot both be true, but both can be false. Study the statements carefully and identify the two that satisfy the above condition.
Select the correct answer using the codes given below each set of statements:
Examine the following statements:
1. All animals are carnivorous
2. Some animals are not carnivorous.
3. Animals are not carnivorous.
4. Some animals are carnivorous.

A.

1 and 3

B.

1 and 2

C.

2 and 3

D.

3 and 4

ANSWER :

A. 1 and 3Examine the following statements: 1. All animals are carnivorous 2. Some animals are not carnivorous. 3. Animals are not carnivorous. 4. Some animals are carnivorous.

3.

Examine the following statements:
1. All trains are run by diesel engine.
2. Some trains are run by diesel engine.
3. No train is run by diesel engine.
4. Some trains are not run by diesel engine.

A.

1 and 2

B.

2 and 3

C.

1 and 3

D.

1 and 4

ANSWER :

C. 1 and 3
Examine the following statements: 1. All trains are run by diesel engine. 2. Some trains are run by diesel engine. 3. No train is run by diesel engine. 4. Some trains are not run by diesel engine.

4.

Examine the following statements:
1. None but the rich can afford air-travel.
2. Some of those who travel by air become sick.
3. Some of those who become sick require treatment.
Which one of the following conclusions can be drawn from the above statements?

A.

All the rich persons travel by air.

B.

Those who travel by air become sick.

C.

All the rich persons become sick.

D.

All those who travel by air are rich.

ANSWER :

D. All those who travel by air are rich.
Examine the following statements: 1. None but the rich can afford air-travel. 2. Some of those who travel by air become sick. 3. Some of those who become sick require treatment. Which one of the following conclusions can be drawn from the above statements?

5.

Examine the following statements:
1. All colours are pleasant.
2. Some colours are pleasant.
3. No colour is pleasant.
4. Some colours are not pleasant.
Given that statement 4 is true, what can be definitely concluded?

A.

1 and 2 are true.

B.

3 is true.

C.

2 is false.

D.

1 is false.

ANSWER :

D. 1 is false.
Examine the following statements: 1. All colours are pleasant. 2. Some colours are pleasant. 3. No colour is pleasant. 4. Some colours are not pleasant. Given that statement 4 is true, what can be definitely concluded?

6.

Consider the following statements followed by two conclusions:
Statements :
Some men are great.
Some men are wise.
Conclusion I : Men are either great or wise.
Conclusion II : Some men are neither great nor wise.
Which one of the following is correct?

A.

Only conclusion I is valid

B.

Only conclusion II is valid

C.

Both the conclusions are valid.

D.

Neither of the conclusions is valid.

ANSWER :

D. Neither of the conclusions is valid.
Consider the following statements followed by two conclusions: Statements : Some men are great. Some men are wise. Conclusion I : Men are either great or wise. Conclusion II : Some men are neither great nor wise. Which one of the following is correct?