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प्रश्न
If HCF (x, 20) = 2 and LCM (x, 20) = 60, then the value of x is ______.
पर्याय
3
6
20
10
MCQ
रिकाम्या जागा भरा
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उत्तर
If HCF (x, 20) = 2 and LCM (x, 20) = 60, then the value of x is 6.
Explanation:
HCF (x, 20) = 2
LCM (x, 20) = 60
We know that
a × b = HCF (a, b) × LCM (a, b)
⇒ x × 20 = 2 × 60
⇒ 20x = 120
⇒ x = `120/20`
⇒ x = 6
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