Odd Man Out and Series

1.3, 5, 11, 14, 17, 21

**Answer:**Option** 1**

Solution:

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

**Answer:**Option** 1**

Solution:

The pattern is 23.10, 25, 45, 54, 60, 75, 80

**Answer:**Option** 1**

Solution:

Each of the numbers except 54 is multiple of 5.
4.6, 9, 15, 21, 24, 28, 30

**Answer:**Option** 1**

Solution:

Each of the numbers except 28, is a multiple of 3.
5.1, 4, 9, 16, 23, 25, 36

**Answer:**Option** 1**

Solution:

Each of the numbers except 23, is perfect square.
6.1, 4, 9, 16, 20, 36, 49

**Answer:**Option** 1**

Solution:

The pattern is 17.2, 5, 10, 17, 26, 37, 50, 64

**Answer:**Option** 1**

Solution:

(1*1)+1 , (2*2)+1 , (3*3)+1 , (4*4)+1 , (5*5)+1 , (6*6)+1 , (7*7)+1 , (8*8)+1But, 64 is out of pattern.

8.16, 25, 36, 72, 144, 196, 225

**Answer:**Option** 1**

Solution:

Each of the numbers except 72 is a perfect square.
9.331, 482, 551, 263, 383, 362, 284

**Answer:**Option** 1**

Solution:

In each number except 383, the product of first and third digits is the middle one.
10.835, 734, 642, 751, 853, 981, 532

**Answer:**Option** 1**

Solution:

In each number except 751, the difference of third and first digit is the middle one.