Question

Four fifth of a number is more than three-fourth of the same number by $40$. Find the number.

Answer 1

Let the no. of n

$\Rightarrow \frac{4}{5}n-\frac{3}{4}n=4$

$\Rightarrow \frac{16n-15n}{20}=4$

$\Rightarrow \frac{n}{20}=4$

$\Rightarrow n=80$