Question

which of the following is a perfect number 6, 2 , 4, 5 ​

Answer 1

Answer:

Given , 6,2,4,5

Step-by-step explanation:

Only 4 is a perfect square .

Because 2 square is = 4 .

HOPE IT WILL HELP YOU .

Answer 2

Step-by-step explanation:

6, 2 , 4, 5

6 cannot be expressed as the square of a number, so it is not a perfect no.

2 cannot be expressed as the square of a number, so it is not a perfect no.

5 cannot be expressed as the square of a number, so it is not a perfect no.

4 = 2 x 2 = 2²

As 4 can be  expressed as the square of 2, so it is a perfect no.

HOPE THIS IS HELPFUL !!! : )