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Question
If a = (22 × 33 × 54) and b = (23 × 32 × 5) then HCF(a, b) = ?
Options
90
180
360
540
MCQ
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Solution
180
Explanation:
HCF(a, b) = product of common terms with lowest power
= (22 × 32 × 5)
= (4 × 9 × 5)
= 180
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