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# The LCM of two numbers is 1540 and their HCF is 20. If one of the numbers is 11 $\times$ 20, find the other number

[ A ]    160
[ B ]    140
[ C ]    130
[ D ]    180
[ E ]    None of these
 Answer : Option B Explanation : Product of two numbers = LCM X HCF Reqd number = $1540 \times 20 \over 11 \times 20$ = 140