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    Question

    5 men and 5 women can do some work in 2 days. If each

    man is 25% 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 '4x' units/day. So, efficiency of each man = 4x ├Ч 1.25 = '5x' units/day So, total work = 2 ├Ч {(5 ├Ч 5x) + (5 ├Ч 4x)} = '90x' units So, required time = 90x ├╖ (9 ├Ч 5x) = 2 days

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