Question

-sum of present age of a, b, c and d is 76 years. after 7 years ratio of their ages is 7 : 6 : 5 : 8. what is c’s present age.

Answer 1

Sum Present age =  (7x - 7) + (6x - 7) + (5x - 7) + (8x - 7) = 76

26x = 76 + 28 = 104

x = 4

C's present age = 5x - 7 = 20 - 7 = 13