Question

A perfect square can never have which of the following digit at ones place
1) 1
2) 6
3) 5
4) 3

Answer 1

Answer:

We know that, a number ending with digits 2, 3, 7 or 8 can never be a perfect square. Clearly, a perfect square can never have the digit 8 in its one's place

Step-by-step explanation:

Answer 2

Answer:

3

Step-by-step explanation:

It can have other digits at ends as...

1) 9^2 = 81

2) 4^2 = 16

3) 5^2= 25

I hope this will help you