Question
Farhan and Dev can complete a work alone in 75 days and
90 days respectively. If they work together and earn Rs. 8,250, find Dev’s share.Solution
ATQ,
When two people work together, their efficiency ratio is the reciprocal of the days taken.
Ratio of efficiency of Farhan and Dev respectively = 90:75 = 6:5
So, ratio of wages = 6:5
Therefore, Dev’s wage = (5/11) × 8,250 = Rs. 3,750
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