Solved UPSC CDS/OTA Question
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Q · LCM and HCFDifficult · 45s
Find the greatest number that will divide 1305, 4665, and 6905 exactly, leaving the same remainder in each case.
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.
Differences: 3360, 2240 ⇒ HCF = 112; HCF with remainder gives 115.
Final Answer: Option A — 115