Question

A man had three sons and they were born at an interval of five years. The sum of their ages after five years will be sixty years. What was the age of the youngest son five years ago

Answer 1

Thus eldest son's age five years ago was 10 years

But 3rd son was not born then

hence at that time youngest son was 2nd =His age at that time was x-5=10-5=5Years

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