# Odd Man Out Questions

Q:

Find the odd man out.

2, 5, 10, 17, 26, 37, 50, 64

 A) 50 B) 37 C) 26 D) 64

Explanation:

(1*1)+1 , (2*2)+1 , (3*3)+1 , (4*4)+1 , (5*5)+1 , (6*6)+1 , (7*7)+1 , (8*8)+1

But, 64 is out of pattern.

291 399184
Q:

Find the odd man out.

41, 43, 47, 53, 61, 71, 73, 81

 A) 41 B) 61 C) 71 D) 81

Explanation:

Each of the numbers except 81 is a prime number.

264 344490
Q:

Find the odd man out?

396, 462, 572, 427, 671, 264.

 A) 671 B) 462 C) 427 D) 264

Explanation:

Here the given series is 396, 462, 572, 427, 671, 264.

In all the terms, the middle digit is the sum of first and third digit except 427.

So the Odd number in the given series is 427.

223 324759
Q:

What is the next number in the given Number Series?

5, 24, 94, 279, ?

 A) 587 B) 554 C) 489 D) 499

Explanation:

The given number series follows a pattern that

5 x 5 – 1 = 24

24 x 4 – 2 = 94

94 x 3 – 3 = 279

279 x 2 – 4 = 554

69 262530
Q:

Insert the missing number.

2, 6, 12, 20, 30, 42, 56, (....)

 A) 61 B) 64 C) 72 D) 70

Explanation:

The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.

So, the next number is 8 x 9 = 72.

123 257679
Q:

Find out the wrong number in the given sequence of numbers.

56, 72, 90, 110, 132, 150

 A) 72 B) 110 C) 132 D) 150

Explanation:

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

So, 150 is wrong.

41 252778
Q:

Insert the missing number.

16, 33, 65, 131, 261, (....)

 A) 523 B) 521 C) 613 D) 721

Explanation:

Each number is twice the preceding one with 1 added or subtracted alternatively.

So, the next number is (2 x 261 + 1) = 523.

73 252302
Q:

Find the odd number out of the following number series?

2 4 8 11.5 18.25 28.375

 A) 18.25 B) 28.375 C) 11.5 D) 8

Explanation:

Given number series follows a pattern that,

2

2 x 1.5 + 1 = 4

4 x 1.5 + 1 = 7 (not equal to 8)

7 x 1.5 + 1 = 11.5

11.5 x 1.5 + 1 = 18.25

18.25 x 1.5 + 1 = 28.375