New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    42 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 42 days and efficiency of a man is three times the efficiency of a woman.
    A 32 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 24 Correct Answer Incorrect Answer
    D 36 Correct Answer Incorrect Answer
    E 48 Correct Answer Incorrect Answer

    Solution

    Let number of women be W. We know that, (M1 × D1 × H1 × E1)/W1 = (M2 × D2 × H2 × E2)/W2 (42 × 8 × 9 × 3)/(3/5) = (W × 42 × 6 × 1)/(2/5) W = 24

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