Question

the HCF and LCM of two numbers are 6 and 72 respectively. If one of the number is 24 What is the other number

Answer 1

The product of the HCF and LCM of two numbers is the same as the product of the numbers themselves. x^2 = 432/12 = 36, or x = 6. Hence the two numbers are 18 and 24.

Answer 2

HCF x LCM = a x b

6 x 72 = 24  x b

b = 6 x 72/24

b = 72/4

b = 18

The other number is 18

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