Question
Suman alone can complete a work in 40 days. Pooja is twice
as efficient as Suman. Find the percentage of work completed by Suman and Pooja together in 8 days.Solution
ATQ,
Let the efficiency of Suman = x units/day
Total work = 40x units
Efficiency of Pooja = x Ă— 2 = 2x units/day
Work done by Suman and Pooja together in 8 days = (x + 2x) Ă— 8 = 24x units
Percentage of work done = (24x / 40x) Ă— 100 = 60%
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