Question

I.Fill in the blanks:

1) The square of a number can be obtained on multiplying the number by __________.

2) 1,4,9,16,25 are known as __________ numbers.

3) The square of _______ numbers is always even.

4) A number ending with _________ number of zeros is never a perfect square.

5) If a number is ending with 1 or 9 ,then its square ends with ______​

Answer 1

Answer:

3) The square of eve numbers is always even.