Solved UPSC CDS/OTA Question
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Q · LCM and HCFModerate · 45s
Two numbers are in ratio 3:4 and their HCF is 6. Find their LCM.
TopicLCM and HCF
Question Typemultiple choice
DifficultyModerate
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Numbers = 18, 24; LCM = (18 × 24) ÷ 6 = 72.
Final Answer: Option A — 72