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The HCF of two numbers is 18 and their product is 12960. Their LCM will be (a) 420 (b) 600 (c) 720 (d) 800

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The HCF of two numbers is 18 and their product is 12960. Their LCM will be 

(a) 420

(b) 600

(c) 720

(d) 800

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1 Answer

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Best answer

Correct answer is: (c) 720

1st No. x 2nd No. = HCF X LCM

12960=18 X LCM

LCM=720

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