The HCF of two numbers is 40. If the product of the two numbers is 52800, their LCM is _________.

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1203

1023

1230

1320

answer is B.

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Detailed Solution

We know that,
The product of H.C.F. and L.C.M. of two numbers is equal to the product of those two numbers.
HCF × LCM = Product of the numbers
Now, to find L.C.M,
40 × L.C.M = 52800

$∴$ LCM= 52800/4

$∴$ LC.M= 1320

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