Three of the following four numbers are alike in a certain way and one is different. Pick the number that is different from the rest.
All except option B are only square numbers. Such that 49,16 and 25 are the squares of 7,4 and 5 respectively. But 64 is not only the square of 8 but also it is the cube of 4. So this one is odd among them.
Create a FREE account and get: