Two men undertake to do a piece of work for Rs.600. One alone could do it in 6 days and the other in 8 days. With the assistance of a boy, they finished it in 3 days. Boy's share should be



[ A ]    Rs.75
right
[ B ]    Rs.225
[ C ]    Rs.300
[ D ]    Rs.100
[ E ]    None of these
Answer : Option A
Explanation :
500
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