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    Question

    5 men and 6 women can do some work in 3 days. If each

    man is 50% more efficient than a woman, then find the time taken by 9 men to finish the same work together.
    A 3 days Correct Answer Incorrect Answer
    B 2 days Correct Answer Incorrect Answer
    C 4 days Correct Answer Incorrect Answer
    D 5 days Correct Answer Incorrect Answer
    E 6 days Correct Answer Incorrect Answer

    Solution

    Let the efficiency of each woman be '2x' units/day. So, efficiency of each man = 2x × 1.5 = '3x' units/day So, total work = 3 × {(5 × 3x) + (6 × 2x)} = '81x' units So, required time = 81x ÷ (9 × 3x) = 3 days

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