Odd One Out – Railway Reasoning part – III

Total Questions: 50

1. Select the number pair that does not follow the same logic as the other three. [RRB NTPC 12/01/2021 (Evening)]

Correct Answer: (a) 1331 – 144
Solution:

1st number is cube and 2nd number is square of same number.
But option (a) does not follow this logic.

2. Select the odd one. [RRB NTPC 12/01/2021 (Evening)]

Correct Answer: (d) Tongue
Solution:

Except Tongue, all others have tubes and we take something through it inside the body.

3. Select the river which is different from the rest. [RRB NTPC 13/01/2021 (Morning)]

Correct Answer: (d) Godavari
Solution:

Indus, Ganga and Brahmaputra rivers are Himalayan rivers, while Godavari is a Peninsular river.

4. Select the number set which is different from the rest. [RRB NTPC 13/01/2021 (Morning)]

Correct Answer: (d) (14, 27)
Solution:

In each pair of numbers, both numbers are multiples of the same number but in case of 14,27 both are not multiples of the same number.

5. Select the odd one. [RRB NTPC 16/01/2021 (Morning)]

Correct Answer: (c) CRPF
Solution:

CRPF is related to the police force but all others are PSU.

6. Select the number-pair that is different from the rest. [RRB NTPC 16/01/2021 (Morning)]

Correct Answer: (b) 23 : 539
Solution:

In all cases except option ‘b’, the 2nd number is square of the 1st number. 23² = 529

7. Select the number-pair that is different from the rest.

Correct Answer: (c) 31 : 33
Solution:

Except 31 : 33, in all number pairs both numbers are prime.

8. Select the odd one. [RRB NTPC 17/01/2021 (Morning)]

Correct Answer: (b) Reduce
Solution:

All words except “Reduce” are similar in meaning but “Reduce” is opposite in meaning.

9. Select the odd one. [RRB NTPC 17/01/2021 (Morning)]

Correct Answer: (b) Identical
Solution:

“Identical” means similar to something.
But all other words do not describe something similar to anything — all other words are talking about something special.

10. Pick the odd one out. [RRB NTPC 17/01/2021 (Evening)]

Correct Answer: (c) 4913
Solution:

4913 is a perfect cube and the rest are not.