# Odd Man Out and Series Questions

Q:

Insert the missing number.

7, 26, 63, 124, 215, 342, (....)

 A) 391 B) 421 C) 481 D) 511

Explanation:

Numbers are (23 - 1), (33 - 1), (43 - 1), (53 - 1), (63 - 1), (73 - 1) etc.

So, the next number is (83 - 1) = (512 - 1) = 511.

121 36218
Q:

Insert the missing number.

8, 7, 11, 12, 14, 17, 17, 22, (....)

 A) 20 B) 22 C) 24 D) 27

Explanation:

There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.

30 21073
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.

47 18585
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.

37 14801
Q:

Insert the missing number.

2, 4, 12, 48, 240, (....)

 A) 960 B) 1440 C) 1080 D) 1920

Explanation:

Go on multiplying the given numbers by 2, 3, 4, 5, 6.

So, the correct next number is 1440.

20 13146
Q:

Find the odd man out.

6, 9, 15, 21, 24, 28, 30

 A) 28 B) 21 C) 24 D) 30

Explanation:

Each of the numbers except 28, is a multiple of 3.

16 12280
Q:

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

582, 605, 588, 611, 634, 617, 600

 A) 634 B) 611 C) 605 D) 600

Explanation:

Alternatively 23 is added and 17 is subtracted from the terms. So, 634 is wrong.

14 12098
Q:

Find the odd man out.

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

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