# 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

Answer & Explanation Answer: 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.

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291 399182
Q:

Find the odd man out.

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

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

Answer & Explanation Answer: D) 81

Explanation:

Each of the numbers except 81 is a prime number.

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264 344489
Q:

Find the odd man out?

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

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

Answer & Explanation Answer: C) 427

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.

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223 324756
Q:

What is the next number in the given Number Series?

5, 24, 94, 279, ?

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

Answer & Explanation Answer: B) 554

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

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69 262530
Q:

Insert the missing number.

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

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

Answer & Explanation Answer: C) 72

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.

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123 257678
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

Answer & Explanation Answer: 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.

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41 252777
Q:

Insert the missing number.

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

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

Answer & Explanation Answer: A) 523

Explanation:

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

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

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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

Answer & Explanation Answer: 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

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56 240839