Question

A's father is 35 years younger than his grandfather and grandfather is 63 years older than him.the sum of the ages of all the three is 112 years.find the age of each one of them?

Answer 1

Let A's age be x
Then A/Q
x+x+28+x+63=112
3x+91=112
3x=112-91
3x=21
x=21÷3
x=7
A's age =7 years