Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · AgeDifficult · 45s
The sum of ages of A, B, C is 80 years. Five years ago, their ages were in the ratio 2:3:4. Find the present age of C.
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 5 years ago: 2x,3x,4x ⇒ sum=9x=65 ⇒ x=7.22 ⇒ C=33+5=38.
Final Answer: Option D — 38