| Direction: In each of the following questions, four numbers are given. Out of these, three are alike in a certain way but the one is different. |
| Choose the one which is different from others. |
A) 12
B) 10
C) 11
D) 15
Correct Answer: C
Solution :
Among all the given numbers, only 11 is a prime number, Rest 12, 10, 15 numbers are not a prime number. Hence, [c] is the odd option.
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