EduGoog

In Choose odd Number questions, certain numbers are given, out of which all except one are alike in some manner while one is different and this number is to be chosen as the answer.

Choose or find odd number

51 , 144 , 64 , 121 , 256

Option:
A. 51
B. 144
C. 64
D. 121
E. 256
Answer: A . 51

Justification: Each of the number except 51, is a perfect square.

Next