1.

Four numbers have been given, out of which three are alike in some manner and one is different. Select the different one.1. 1572. 1673. 1774. 137

Answer» Correct Answer - Option 3 : 177

Prime Number: A number that is divisible by '1' and itself.

157, 167, and 137 are prime numbers.

Whereas,

177 is not a prime number.

Hence, '177' is a different number.


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