Aptitude - Odd Man Out and Series

Exercise : Odd Man Out and Series - Odd Man Out
Directions to Solve
Find the odd man out.

1.
3, 5, 11, 14, 17, 21
21
17
14
3
Answer: Option
Explanation:

Each of the numbers except 14 is an odd number.

The number '14' is the only EVEN number.


2.
8, 27, 64, 100, 125, 216, 343
27
100
125
343
Answer: Option
Explanation:
The pattern is 23, 33, 43, 53, 63, 73. But, 100 is not a perfect cube.

3.
10, 25, 45, 54, 60, 75, 80
10
45
54
75
Answer: Option
Explanation:
Each of the numbers except 54 is multiple of 5.

4.
396, 462, 572, 427, 671, 264
396
427
671
264
Answer: Option
Explanation:
In each number except 427, the middle digit is the sum of other two.

5.
6, 9, 15, 21, 24, 28, 30
28
21
24
30
Answer: Option
Explanation:
Each of the numbers except 28, is a multiple of 3.