Solved UPSC CDS/OTA Question
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Q · LCM and HCFDifficult · 45s
Find the LCM of 2/3, 4/5, and 6/7.
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(fractions) = LCM(num)/HCF(den) = 12/35.
Final Answer: Option C — 12/35