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    Question

    Sita is 50% more efficient than Simran. Working

    together, they finish the work in 24 days. How long will Sita take to complete the work alone?
    A 28 days Correct Answer Incorrect Answer
    B 40 days Correct Answer Incorrect Answer
    C 12 days Correct Answer Incorrect Answer
    D 32 days Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the efficiency of Simran be '4e' units/day. Efficiency of Sita = 1.5 Ă— 4e = '6e' units/day. Total work = (4e + 6e) Ă— 24 = '240e' units. Required time = (240e / 6e) = 40 days.

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