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یہ دیکھتے ہوئے کہ HCF(8, 12) = 4، 80 اور 120 کا HCF کیا ہے؟

A8
B40
C20
D4
Answer & Solution
Correct answer: B. 40
دونوں نمبروں کو 10 سے ضرب کرنے سے HCF کو 10 سے ضرب دیتا ہے، 40 دیتا ہے۔
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