Arithmetic Aptitude :: Problems on Ages
6. The present ages of three persons are in the ratio of 3:4:6.Four years ago the sum of their age was 66.Find their present age
Lets Present age of three person will be 3x, 4x and 6x respectively.
Four years ago their age will be
(3x-4), (4x-4) and (6x-4)
As per the question
(3x-4) + (4x-4) + (6x-4) = 66
=> 13x-12 = 66
=> 13x = 78 => x = 6
So their present age 18, 24 and 36.