SYLLOGISM – Railway Reasoning part – 1

Total Questions: 50

11. Which of the conclusions follows from the given statements? [NTPC CBT II Level 5 (15/06/2022) Shift 1]

Statements:
Some bats are balls.
All balls are caps.
All caps are players.
No player is a hat.
Conclusion:
I. No bat is cap.
II. All caps are balls.
III. Some hats are caps
IV. No hat is a ball.

Correct Answer: (d) Only conclusion IV follows.
Solution:

Only conclusion IV follows.

12. Answer the given statement from the given option : [NTPC CBT - I 28/12/2020 (Evening)]

 Statements:
1. No pilots are amateurs.
2. A few amateurs are players.

Correct Answer: (a) Some amateurs are not players
Solution:


So, from the above statements, the conclusion ‘Some amateurs are not players’ logically follows.

13. Which of the conclusions follows from the given statements? [NTPC CBT - I 30/12/2020 (Evening)]

Statements:
1. All D are A
2. No A is C
Conclusion:
I. No D is C
II. Some C are D

Correct Answer: (d) Only conclusion I follows
Solution:

From the above diagram, we can say only the conclusion I follows.

14. If ‘some artists are celebrities’ and ‘all celebrities are millionaires’, then which of the given conclusions follow ? [NTPC CBT - I 04/01/2021 (Evening)]

Correct Answer: (b) Some artists are millionaires.
Solution:

From the above diagram, we can see that only conclusion (B) follows.

15. From the 3 sets of statements, A, B and C given below, choose the set/s in which the third statement is a logical conclusion of the first two statements. [NTPC CBT - I 07/01/2021 (Morning)]

A. Some cars are Suzuki. All Suzukis are MPVs. Some cars are MPVs.
B. All men are humans. No human is red. No man is red.
C. Every man loves his wife. All wives are beautiful. No beautiful has a husband.

Correct Answer: (c) A and B only
Solution:

From the two statements in part A we can draw the following diagram,

So the conclusion “Some cars are MPVs.” definitely follows. Again from the two statements in part B we can draw the following diagram,

So, the conclusion “ No man is red. ” definitely follows. But the two statements of part C do not refer to the conclusion. So, for A and B only the third statement is a logical conclusion of the first two statements.

16. Read the given statement and decide if the given conclusion is true, false or irrelevant with respect to the statements. [NTPC CBT - I 11/01/2021 (Evening)]

Statements :
A is the sister of B.
B is the daughter of C
Conclusion :
B is the enemy of C

Correct Answer: (b) Conclusion cannot be drawn
Solution:

17. Read the given statements carefully. Assuming that the information given in the Statement is true, even if it appears to be at variance with commonly known facts, select the conclusion which logically DOES NOT follow from the statements. [NTPC CBT - I 12/01/2021 (Morning)]

Statements :
I. All balls are flowers
II. All bats are ball

Correct Answer: (d) No ball is a flower
Solution:

From the above diagram it is clear that all balls are flower.

18. Consider the given statements and decide which of the given assumptions is/are NOT implicit in the statements: [NTPC CBT - I 20/01/2021 (Morning)]

Some Grass is Green.
All Green is Red.

Correct Answer: (a) All Red is Green
Solution:

From the given statements we can draw the following diagram :

So, only the conclusion All Red is Green is not correct.

19. Which of the conclusions follows from the given statements? [NTPC CBT - I 02/02/2021 (Morning)]

Statements :
Some balls bounce.
All balls vibrate.
Conclusions :
I. Even the balls that do not bounce, vibrate.
II. The balls that do not bounce, do not necessarily vibrate.

Correct Answer: (a) Only conclusion I follows
Solution:

From the above diagram it is clear that all balls are vibrate.

20. Select the option that CANNOT be concluded from the given statements. [NTPC CBT - I 15/02/2021 (Morning)]

 Statement 1 : All slippers are shoes
Statement 2 : Some heels are slippers.
Statement 3 : All canvas are heels.
Statement 4 : All heels are shoes.

Correct Answer: (c) All slippers are heels.
Solution: