Solved UPSC CDS/OTA Question
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Q · LCM and HCFModerate · 45s
The LCM of two numbers is 495 and their HCF is 5. If one number is 45, find the other.
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.
Product = LCM × HCF = 495 × 5 = 2475; Other = 2475 ÷ 15 = 165.
Final Answer: Option C - 165