odd man out of series aptitude questions

3, 5, 11, 14, 17, 21

A.	21	B.	17
C.	14	D.	3

Answer: Option C

Explanation:

Each of the numbers except 14 is an odd number.

The number ’14’ is the only EVEN number.

8, 27, 64, 100, 125, 216, 343

A.	27	B.	100
C.	125	D.	343

Answer: Option B

Explanation:

The pattern is 2³, 3³, 4³, 5³, 6³, 7³. But, 100 is not a perfect cube.

10, 25, 45, 54, 60, 75, 80

A.	10	B.	45
C.	54	D.	75

Answer: Option C

Explanation:

Each of the numbers except 54 is multiple of 5.

396, 462, 572, 427, 671, 264

A.	396	B.	427
C.	671	D.	264

Answer: Option B

Explanation:

In each number except 427, the middle digit is the sum of other two.

6, 9, 15, 21, 24, 28, 30

A.	28	B.	21
C.	24	D.	30

Answer: Option A

Explanation:

Each of the numbers except 28, is a multiple of 3.