Question

sonu and monu have a 7-years gap in the present age.if monu is two-third of the age of sonu ,the find the sonu age

Answer 1

Let the age of Sonu be x.
Monu's Age= x-7
Given,
x-7 = 2/3*x
3x-21 = 2x
x=21 years
Sonu's age = 21 years

Answer 2

let somu age be x
monu age be y

given x-y=7
x-2/3x = 7
1/3 x = 7
x =21