Discussion of Question with ID = 068 under Problems-on-Ages

This is the discussion forum for this question. If you find any mistakes in the solution, or if you have a better solution, then this is the right place to discuss. A healthy discussion helps all of us, so you are requested to be polite and soft, even if you disagree with the views of others. The question and its current solution has also been given on this page.



The ages of two friends are in the ratio 13:7. What is the age of the younger friend if the sum of their ages is 100 years?


35 years.


36 years.


34 years.


37 years.

Ans: a

Let the ages be 13r and 7r. The younger is 7r. We have been given their sum. So (13 + 7)r = 100. Solving, we get r = 5. The younger is 7 × 5 = 35 years.

Comments and Discussion