Question

A mathematics book contains 250 pages if page is selected random then probability that the number On. That page is selected is perfect square is

Answer 1

no. of perfect square between 1-250=
15
as
$(15) {}^{2} \\ = 225$
and
$(16) {}^{2} \\ = 256$
so probability=
$\frac{15}{250} \\ = \frac{3}{50}$