Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · AgeDifficult · 45s
8 years ago, the ratio of the ages of a brother and his sister was 2:1. The sum of their present ages is 52 years. Find the brother’s present age.
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.
Solution for age problem 21.
Final Answer: Option A — 32