Solved UPSC CDS/OTA Question
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Q · AgeModerate · 45s
The sum of the ages of a father and his son is 60 years. Five years ago, the father's age was four times the son's age. Find the son's present age.
TopicAge
Question Typemultiple choice
DifficultyModerate
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Let son = x ⇒ father=60−x; 60−x−5=4(x−5) ⇒ x=16.
Final Answer: Option B — 16 years