Discussion of Question with ID = 037 under Problems-on-Ages

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The ages of three friends are in the ratio 17:5:13. What is the age of the youngest friend if the sum of their ages is 105 years?


15 years.


16 years.


14 years.


17 years.

Ans: a

Let the ages of three friends be 17r, 5r and 13r. The youngest of these is 5r. We have been given their sum. So (17 + 5 + 13)r = 105. Solving, we get r = 3. The youngest is 5 × 3 = 15 years.

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