Question

If 1 / 5 th of a number decreased by 5 is 5 , then the number is

Answer 1

Let the number be x.
Its 1/5th part will be
$\frac{x}{5}$
Now we are given,
$\frac{x}{5} - 5 = 5$
$\frac{x - 25}{5} = 5$
$x - 25 = 25$
$x = 25 - 25$
$x = 0$
Therefore, the required number is 0