Question

Manav is twice as old as his son, raghav. 20 years ago, the age of manav was 12 times the age of raghav. the present age of manav is :

Answer 1

Let Manav's age = x.
Then, Son age = 2x. 
12(x—20) =
(2x - 20) sox=22 
present age of manav = 44 years