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    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?
    A 47.6 days Correct Answer Incorrect Answer
    B 29.6 days Correct Answer Incorrect Answer
    C 45.6 days Correct Answer Incorrect Answer
    D 51.6 days Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    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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