Question

Pratap paid 20% of his salary as income tax.if he left with 8400 rupees after paying the tax,find his salary

Answer 1

let the salary of Pratap be x.
A/Q
20% of x = 20/100 × x
= x/5.
again,a/q
x-x/5 = 8400
5x-x/5=8400
4x/5=8400
x=8400×5/4
= 10500.