Question

after spending 3/7th of his salary. john saves rupees 1000.find his salary

Answer 1

let the salary be =®x

A.T.Q

$\frac{3x}{7} + 1000 = x \\ \frac{4x}{7} = 1000 \\ x = \frac{7 \times 1000}{4} = 1750$

so, salary of john = ®1750

Answer 2

let the salary be x

he saves 4% of his salary

=1000

=1000/4

=250×7

=1750

his salary is 1750