Question

    21 men can complete 3/5 part of a work in 8 days working

    9 hours a day. How many women can complete rest of the work if they work for 6 hours a day for 21 days and efficiency of a man is four times the efficiency of a woman.
    A 48 Correct Answer Incorrect Answer
    B 36 Correct Answer Incorrect Answer
    C 32 Correct Answer Incorrect Answer
    D 24 Correct Answer Incorrect Answer
    E 64 Correct Answer Incorrect Answer

    Solution

    Let number of women be W. We know that, (M1 ├Ч D1 ├Ч H1 ├Ч E1)/W1 = (M2 ├Ч D2 ├Ч H2 ├Ч E2)/W2 (21 ├Ч 8 ├Ч 9 ├Ч 4)/(3/5) = (W ├Ч 21 ├Ч 6 ├Ч 1)/(2/5) W = 32

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