Good Questions for HAS , himachal administrative service

Here will see some odd one out question for HAS. Your can expect 4-6 such question in HAS exam:

Find the odd man out.

1.  331, 482, 551, 263, 383, 362, 284 [A]. 263 [B]. 383 [C]. 331 [D]. 551

How: In each number except 383, the product of first and third digits is the middle one

2.	8, 27, 64, 100, 125, 216, 343
	A. 27 B. 100 C. 125 D. 343 Option B(should be perfect square cube)

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3.	10, 25, 45, 54, 60, 75, 80
	A. 10 B. 45 C. 54 D. 75 Option C(not a mulitple of 5)

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4.	396, 462, 572, 427, 671, 264
	A. 396 B. 427 C. 671 D. 264 B(middle number is not sum of other two )

5.	3, 5, 7, 12, 17, 19
	A. 19 B. 17 C. 5 D. 12 D (not a prime number)