Question

Ravi present age is 3 times he's son's present age and 4/5th of his father's age . what is the difference between ravi's son's age and his fathers present age

Answer 1

Answer:

11r/12

Step-by-step explanation:

let, Ravi's present age = r

Ravi's son's present age = s

Ravi's father's present age = f

given, r = 3s = (4/5)f

difference between Ravi's son's and fathers age=

=f - s = (5/4)r - r/3 = (15r-4r)/12 = 11r/12