Question

which is odd one out ?option is 36,49,64,81​

Answer 1

answer is. 49and81.....

Answer 2

Given:

36, 49, 64, 81​

To find:

The odd one out

Solution:

The odd one out is 64.

We can find the odd one out by following the given steps-

We know that three terms of the given four terms are similar to each other.

The given terms are 36, 49, 64, 81​.

The given terms can either be expressed as a square or cube of natural numbers.

Each of the given terms is the square of consecutive natural numbers.

The first term=36=$6^{2}$

The second term=49=$7^{2}$

The third term=64=$8^{2}$=$4^{3}$

The fourth term=81=$9^{2}$

Out of all the given terms, only 64 is both a cube and square of a natural number.

So, it is the odd one out.

Therefore, the odd one out is 64.