Question

the age of Rahul and Sohan are in the ratio of 5:7 four year later the sum of their ages will be 56 year what are the their present ages

Answer 1

answer is solved as their present ages are 20 and 28 years

Answer 2

let Rahul and Sohan present age be x

let the ratio of both be 5x and 7x

sum of their present age is 56 years

therefore,
5x +7x = 56
12x = 56
x =