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Odd Man Out Questions

Odd Man Out - Aptitude

1. 3, 5, 7, 12, 17, 19

A. 17

B. 12

C. 19

D. 3

x

 

Option: B

Explanation

12 is not a prime number,others are prime numbers

also, 12 is an even number.

Answer


2. 41, 43, 47, 53, 61, 71, 73, 81

A. 81

B. 61

C. 71

D. 41

x

 

Option: A

Explanation

Except 81 others are prime numbers

Answer


3.1, 5, 14, 30, 50, 55, 91

A. 14

B. 30

C. 55

D. 50

x

 

Option: D

Explanation

Ans = 50

the pattern is 12 = 1

12 + 22 = 5

12 + 22 + 32 = 14

12 + 22 + 32 + 42 = 30

12 + 22 + 32 + 42 + 52 = 55

12 + 22 + 32 + 42 + 52 + 62=91

here in this pattern, number 50 does not follow the pattern

Answer


4.385, 462, 572, 396, 427, 671, 264

A. 671

B. 427

C. 572

D. 264

x

 

Option: B

Explanation

Ans:427

Pattern is 2nd Digit = 1st Digit + 3rd Digit

i.e) in the number 427, 2 ≠ 4 + 7

Answer


5.835, 734, 642, 751, 853, 981, 532

A. 734

B. 981

C. 751

D. 532

x

 

Option: C

Explanation

Ans: 751

Pattern is 2nd Digit = 1st Digit - 3rd Digit

i.e) in the number 751, 5 ≠ 7 - 1.

Answer


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