# Aptitude Odd Man Out

In aptitude Odd man out questions divide into four module

- Odd Man Out
- Find Wrong No.
- Insert Missing No.
- Find Wrong No.

## Odd Man Out

Odd man out means you have to find the odd number in a given series.

### Example

5, 7, 12, 17, 21

A. 21

B. 17

C. 12

D. 3

**Answer:**C. 12

**Explanation:**
Each of the numbers except 12 is an odd number.

## Pick Wrong No

Pick wrong no means Find out the wrong number in the given sequence of numbers.

### Example

2) 22, 33, 44, 99, 121, 279

A. 33

B. 121

C. 279

D. 44

**Answer:**C. 279

**Explanation:**
Except 279 all the number is a multiple of 11.

## Insert Missing No.

In this type of questions you have to insert the missing number.

### Example

3) 10, 5, 14, 10, 18, 20, 22, (....)

A. 22

B. 40

C. 38

D. 23

**Answer:**B. 40

**Explanation:**
There are two series (10, 14, 18, 22) and (5, 10, 20, 40),

one increasing by 3 and the other multiplied by 2.

## Find Wrong No.

In this type of questions you have to find out the wrong number in the series.

### Example

4) 1, 1, 2, 6, 24, 120, 820

A. 820

B. 96

C. 24

D. 6

E. 2

**Answer:**B. 96

**Explanation:**
Go on multiplying with 1, 2, 3, 4, 5, 6 to get next number.

So, 820 is wrong.

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