Solved UPSC CDS/OTA Question
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Q · LCM and HCFDifficult · 45s
Find the least number divisible by 24 and leave the remainder 9 when divided by 13.
TopicLCM and HCF
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.
LCM(24,13)=312; smallest meeting condition = 48.
Final Answer: Option A — 48