Question

Rahul is thrice as old as Sulekha. Four years ago his age was four times Sulekha age. The present age of Rahul is. explain with explanation

Answer 1

let sulekha age be x
then rahul age will become 3x
4 years ago
3x-4=4(x-4)
3x-4=4x-16
-4+16=4x-3x
12=x
sulekha age will be 12 years and rahul age will be 3×12=36 years

Answer 2

Rahul = 3x
Sulekha =x
Ac
4(x-4)=3x - 4
X=12
Sulekha's age is 12yrs
Rahul 's age is 36yrs