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The product of HCF and LCM of 18 and 15 is

120
150
175
270

Correct Answer: 270

Explanation:

HCF of 18 and 15
18 = 2 x 3 x 3
15 = 3 x 15 = 3
LCM of 18 and 15 = 2 x 3 x 3 x 5 = 90
∴ Product of HCF and LCM of both numbers = 3 x 90 = 270

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