Question

Raja is three times as old as Arun. Three years ago, he was four times as old as arun. How old is Raja now ?

Answer 1

let the age of a run be x

then aruns age 3×x=3x

three years ago age of arun=x-3

and age of

raja =3x-3

4 (3x-3)

×-3=12x-12

12x-×=-12+3

11x=-9

×

11x