Question

How many non prefect square numbers lie between the square of 40 and 41

Answer 1

HI

SQUARE OF 40=1600
SQUARE OF 41=1681

no.s that lie between 1681 and 1600 are non perfect no. s

non perfect square numbers=1681-1600
=81

HOPE IT HELPED

Answer 2

Square of 40 = 1600
Square of 41 = 1681

All the numbers between 1681 and 1600 are non perfect square number.

So, 1681 - 1600
= 81

But 1681 is perfect square number and it is included in 81 number.

So total non perfect square number = 81-1
= 80

Hope it helps.