Question

There are n perfect square natural numbers in between 200 and 1000.what is the value of n ?

Answer 1

The squares of 15 to 31 lie between 200-1000 and so value of n =31-15=16.

Answer 2

Answer:

there are 15 to 31 squares

I.e. 31 -15=16 +1=17

17 perfect square natural numbers