Solved UPSC CDS/OTA Question
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Q · LCM and HCFEasy · 45s
Find the HCF of 210 and 1155.
TopicLCM and HCF
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
HCF = 105.
Final Answer: Option D - 105