Question
Mira is 40% more efficient than Priya, and Neha is 10%
more efficient than Mira. If Neha and Mira together can do a piece of work in 15 days, in how many days will Priya complete the same work alone?Solution
ATQ, Let efficiency of Priya be ‘x’ units per day. Ratio of efficiency of Priya, Mira, and Neha = x: 1.4x: 1.54x = 100:140:154 Let total amount of work = (140 + 154) × 15 = 4440 units Time taken by Priya to complete the work = 4440/100 = 44.4 days
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