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 · Ratio and ProportionMedium · 45s
The ratio of the monthly incomes of A, B, and C is 2:3:4 and their monthly expenses are in the ratio 5:6:7. If A saves Rs. 1,000, B saves Rs. 2,000, find C’s savings.
TopicRatio and Proportion
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Apply ratio and proportion concepts to solve the problem.
Final Answer: Option C — Rs. 4,000