## Odd Man Out Questions - 1

(Directions Q 1 - Q 40): The following questions, each series is arranged according to a particular rule, except one in it, you have to find the number, that does not fit in the series.

2, 3, 5, 7, 9, 11, 13
• 3
• 5
• 7
• 9
• 11
Explanation

All the numbers/terms are prime numbers. except 9, which is an odd.

Workspace
2, 3, 5, 7, 9, 11, 13, 15
• 2
• 3
• 5
• 7
• 9
Explanation

All the numbers/ terms are odd, except 2, which is the only even prime number.

Workspace
1, 8, 27, 62, 125, 216
• 1
• 8
• 216
• 125
• 62
Explanation

All the terms are cubes of 1, 2, 3, 4, 5 and 6.

It should be 64, instead of 62.

Workspace
1, 4, 10, 22, 44, 94, 190
• 4
• 10
• 22
• 44
• 190
Explanation

First term is independent, 1 x 2 + 2 = 4, 4 x 2 + 2 = 10, 10 x 2 + 2 = 22, 22 x 2 + 2 = 46, 46 x 2 + 2 = 94, 94 x 2 + 2 = 190.

Workspace
2, 5, 10, 16, 26, 37
• 5
• 10
• 16
• 26
• 37
Explanation

12 + 1 = 2, 22 + 1 = 5, 32 + 1 = 10, 42 + 1 = 17, 52 + 1 = 26, 62 + 1 = 37.

Workspace
3, 8, 4, 14, 5, 22, 6, 34, 7, 44
• 6
• 14
• 5
• 44
• 34
Explanation

32 â€“ 1 = 8, 42 â€“ 2 = 14, 52 â€“ 3 = 22, 62 â€“ 4 = 32, it should be 32 instead of 34, 72 â€“ 5 = 44.

Workspace
32, 19, 18, 27, 72, 81, 29, 23
• 32
• 18
• 23
• 29
• 72
Explanation

32, 19, 18, 27, | 72, 81, 29, 23

Divide the terms into two parts and reverse the digits. Ex: 32 = > 23.

= > 19 => 91

Workspace
35, 53, 26, 44, 17, 52, 26, 80
• 53
• 17
• 52
• 80
• 26
Explanation

Sum of the digits of each term is 8, except 52.

3 + 5 = 8, 5 + 3 = 8, 2 + 6 = 8, 4 + 4 = 8, 1 + 7 = 8, 5 + 2 = 7, 8 + 0 = 8.

Workspace
6, 12, 24, 35, 42, 48, 51
• 24
• 12
• 51
• 42
• 35
Explanation

All the numbers/terms are divisible by 3, except 35.

Workspace
33, 37, 42, 48, 55, 60
• 33
• 37
• 42
• 48
• 55
Explanation

37 is prime, other are either even or odd.

Workspace

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