Question

The present ages of Sonu and Monu are in the ratio 4
: 7. 10 years ago, the age of Monu was twice the age
of Sonu. Find the present age of Sonu. (in years)..​

Answer 1

let the present ages of s and m be 4x and 7x

given

10 years ago, the age of Monu was twice the age

of Sonu

10 yrs ago s age is 4x-10 and m age is 7x-10

ie 7x - 10 = 2 ( 4x-10)

x=10

so the present ages of s and m are 40 and 70