The total age of A, B and C seven years hence will be 90 years. Find the age of C six years hence, if the present age of A and B is 39 years and 25 years respectively.
Sum of present age of A, B and C = 90 – (7 × 3) = 69 years Present age of C = 69 – (39 + 25) = 5 years 6 years hence, age of C = 5 + 6 = 11 years
