Question

A positive integer n is multiple of 7. If
$\sqrt{n}$
lies between 15 and 16, the number of possible values (s) of

n is ___

Answer 1

15 < $\sqrt{n}$< 16
225 < n < 256
as n is multiple of 7 are 231, 238, 245, 252
so total 4 numbers.

Answer 2

N=4 hope this helps you.....