Solved UPSC CDS/OTA Question
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Q · AgeDifficult · 45s
Four years ago, the ratio of ages of a father and his son was 11:4. Four years hence, the ratio will be 13:6. Find present ages.
TopicAge
Question Typemultiple choice
DifficultyDifficult
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Let present = f,s ⇒ (f−4)/(s−4)=11/4, (f+4)/(s+4)=13/6 ⇒ solve ⇒ 44,16.
Final Answer: Option A - 44, 16