Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
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Q · Number systemHard · 45s
If a number leaves 2 when divided by 5, and 3 when divided by 7, find the smallest such number.
TopicNumber system
Question Typemultiple choice
DifficultyHard
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Solve step-by-step using number system concepts. If a number leaves 2 when divided by 5, and 3 when divided by 7, find the smallest such number. → 17
Final Answer: Option D - 17