Ravi says to Kavi," I am twice as old as you were when I was as old as you are now." If the sun of their present ages is 50 years, find their present ages.

Solution"

Ravi: x

Kavi: y

x + y =50

y = 2(y-x+y)

x=30

y= 20

Ravi: 30 years

Kavi: 20 years