Question

Rohan's father is 3 times as old as Rahul. Four years ago, his father was 4 times as old as Rahul. How old is Rahul ?

Answer 1

let Rohan be X
therefore his father is 3x.
____________________
father's age 4years ago 4x-4
_____________________
Rahul's age: 4x-4=0
4x=4
x=4/4
x=1

Answer 2

Rohan's age=x
Rohan's fathers age=3x
Rohan's fathers age four years ago=4x-4
Rohan's age=4x-4=0
4x=4
x=4/4
x=1






please add as brainlist answer..........................