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Number system · UPSC CDS/OTA · Question 1 of 31

Number system: Find the HCF of 72 and 108.

Step-by-step solution. Number system for UPSC CDS/OTA.

Topic
Number system
Subject
Mathematics
Difficulty
Easy
Solve Time
45-60 sec

Solved UPSC CDS/OTA Question

A solved UPSC CDS/OTA PYQ - decoded step-by-step.

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Q · Number systemEasy · 45s

Find the HCF of 72 and 108.

TopicNumber system
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.

Solve step-by-step using number system concepts. Find the HCF of 72 and 108. → 36

Final Answer: Option C - 36
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Find the HCF of 72 and 108. - Number system (Mathematics) Solved Question