## Odd Man Out and Series

#### Odd Man Out and Series

1. 2, 5, 10, 17, 26, 37, 50, 64 ?
1. 50
2. 26
3. 37
4. 64

1. The pattern is x2 + 1, where x = 1, 2, 3, 4, 5, 6, 7, 8 etc.

##### Correct Option: D

The pattern is x2 + 1, where x = 1, 2, 3, 4, 5, 6, 7, 8 etc. But 64 is out of pattern

1. 331, 482, 551, 263, 383, 242, 111 ?
1. 263
2. 383
3. 242
4. 111

1. The product of first and third digit is the middle one.

##### Correct Option: B

In each number except 383, the product of first and third digit is the middle one.

1. 1, 2, 6, 15, 31, 56, 91 ?
1. 31
2. 91
3. 56
4. 15

1. Add 12, 22, 32, 42, 52, 62 .

##### Correct Option: B

Add 12, 22, 32, 42, 52,62 .
So, 91 is wrong.

1. 25, 36, 49, 81, 121, 169, 225 ?
1. 36
2. 49
3. 121
4. 169

1. The number are square of odd natural numbers, starting from 5 up to 15.

##### Correct Option: A

The number are square of odd natural numbers, starting from 5 up to 15. So, 36 is wrong.

1. 56, 72, 90, 110, 132, 150 ?
1. 72
2. 110
3. 132
4. 150

1. The number are 7 x 8, 8 x 9, 9 x 10, 10 x 11, 11 x 12, 12 x 13 .

##### Correct Option: D

The number are 7 x 8, 8 x 9, 9 x 10, 10 x 11, 11 x 12, 12 x 13 . So, 150 is wrong.