Odd One Out – Railway Reasoning part – III

Total Questions: 50

11. Select the odd one. [RRB NTPC 18/01/2021 (Morning)]

Correct Answer: (d) 3315
Solution:

Out of the four given numbers, three numbers — 1000, 4913, 1728 — are alike because they are all perfect cube numbers (10³, 17³, 12³)
But the number 3315 is not a perfect cube.

12. Select the odd one. [RRB NTPC 18/01/2021 (Evening)]

Correct Answer: (d) Kanpur
Solution:

Out of the four cities Bhopal, Chandigarh, Gandhinagar are the capitals of Madhya Pradesh, Punjab/Haryana and Gujarat respectively.
Only Kanpur is not a capital city.

13. Select the odd one. [RRB NTPC 18/01/2021 (Evening)]

Correct Answer: (b) Rival
Solution:

Companion, Colleague, Partner — all these three are synonymous in meaning.
But “Rival” is an antonym.

14. Select the odd one. [RRB NTPC 19/01/2021 (Morning)]

Correct Answer: (d) Key
Solution:

Odd → Key
All forms of locks other than keys are.

15. Select the odd one. [RRB NTPC 19/01/2021 (Morning)]

Correct Answer: (d) Orange
Solution:

ellow, Blue and Red are primary colours.
But Orange is secondary colour.

16. Select the term that is different from the rest. [RRB NTPC 21/01/2021 (Morning)]

Correct Answer: (b) R22
Solution:

A → A + 3 = 4
K → K + 3 = 14 → P → P + 3 = 19
R → R + 3 ≠ 22

17. Find the odd one. [RRB NTPC 22/01/2021 (Morning)]

Correct Answer: (d) √9
Solution:

Only √9 = 3, others do not get exact values of square root.

18. Pick the odd one out. [RRB NTPC 22/01/2021 (Morning)]

Correct Answer: (b) EFGIK
Solution:

H + 1 = I, I + 2 = K, K + 3 = N, N + 4 = R
Its logic also applies in FGILP and JKMPT.
→ Its logic does not apply in EFGIK.

19. Select the odd one. [RRB NTPC 22/01/2021 (Evening)]

Correct Answer: (d) Raj Ghat
Solution:

Except Raj Ghat, all others are the memorials of former prime ministers.

20. Select the odd one. [RRB NTPC 23/01/2021 (Morning)]

Correct Answer: (c) Dog : Bark
Solution:

In all options except option (c), 2nd word is baby animal of 1st.