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1 .


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 right
[ 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
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