The L.C.M. of two numbers is 144 and their H.C.F. is 8 . If lst number is 16 , then find the other number.
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The L.C.M. of two numbers is 144 and their H.C.F. is 8 . If lst number is 16 , then find the other number.

(a) 36

(b) 72

(c) 63

(d) 18
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Solution

2nd number

$$

\begin{array}{l}

=\frac{\text { L.C.M. } \times \text { H.C.F } .}{1 \text { st Number }} \\

=\frac{144 \times 8}{16} \\

=72 ; \text { Ans. }

\end{array}

$$

Correct option is (B)

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