SSC Government Jobs Exams Numerical Ability Age Problem

7 years ago, the ages (in years) of A and B were in the ratio 4 : 5; and 7 years hence they will be in the ratio 5 : 6. The present age of B is

Read Solution (Total 1)

Let 7 yr ago, ages of A and B are 4x yr and 5x yr, respectively.

Then, present age of A = 4x + 7 and present age of B = 5x + 7

Now, according to the question,

4x+7+75x+7+7=56

24x + 84 = 25x + 70

x = 14

Hence, B's present age = 5 x 14 + 7= 77 yr
answer will be =77yr
6 years agoHelpfull: Yes(0) No(0)

SSC Other Question

If the length of a rectangle is increased in the ratio 6 : 7 and its breadth is diminished in the ratio 5 : 4 then its area will be diminished in the ratio Two numbers are such that their difference,their sum and their product are in the ratio of 1 : 7 : 24. The product of the numbers is