Question

RadHika is 4 times old as her son . If the sum of their age is 60 years . Find their age

Answer 1

Let the age of Radhika=X
Let the age of her son= Y
BTQ
X=4Y______(1)
X+Y=60______(2)
From (2)
Y=60- X
use Y in (1)
X=4(60 -X)
X=240- 4X
5X=240
X=240/5
X=48years

use X in (2)
Y= 60-X
Y=60 - 48
Y= 12years