The H.C.F. and L.C.M. of two numbers are 6 and 840 respectively.If one of the number is 42,find the other number.

Answers (1)

We know that the product of L.C.M. and H.C.F. of two numbers=product of the numbers

	herefore 840	imes6=42	imes, other, number
Rightarrow , other, number=frac840	imes642=20	imes6=120
Hence, the other number is 120

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