Direction: In each of the following questions, five/four words/number are given, out of which four/three are same in one way or the other and the fifth/fourth one is different from these four/three. Select the odd one.
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NA
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- 31
- 39
- 47
- 41
Correct Option: B
Except '39', all the others are prime numbers, while 39 is a composite number
As, 39 → 13 x 3
