Solved UPSC CDS/OTA Question
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Q · LCM and HCFEasy · 45s
Find the LCM of 24 and 36.
TopicLCM and HCF
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
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Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
LCM = (24 × 36) ÷ HCF(24,36) = 864 ÷ 12 = 72.
Final Answer: Option A — 72