Odd Man Out and Series

Odd Man Out and Series

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Question 1
Find the odd man out. : 3, 5, 11, 14, 17, 21
A
21
B
17
C
14
D
3
Question 1 Explanation: 
Each of the numbers except 14 is an odd number. The number '14' is the only EVEN number.
Question 2
Find the odd number : 8, 27, 64, 100, 125, 216, 343
A
27
B
100
C
125
D
343
Question 2 Explanation: 
The pattern is 2^3, 3^3, 4^3, 5^3, 6^3, 7^3. But, 100 is not a perfect cube.
Question 3
Find the odd number : 10, 25, 45, 54, 60, 75, 80
A
10
B
45
C
54
D
75
Question 3 Explanation: 
Each of the numbers except 54 is multiple of 5.
Question 4
Find the odd number : 396, 462, 572, 427, 671, 264
A
396
B
427
C
671
D
264
Question 4 Explanation: 
In each number except 427, the middle digit is the sum of other two.
Question 5
Find the odd number : 41, 43, 47, 53, 61, 71, 73, 81
A
61
B
71
C
73
D
81
Question 5 Explanation: 
Each of the numbers except 81 is a prime number.
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