Question

    6 skilled workers can complete a work in 4 days. After

    three days 4 more skilled workers joined them. How many days will they now take to complete the remaining work?
    A 2/3days Correct Answer Incorrect Answer
    B 3/5 days Correct Answer Incorrect Answer
    C 4/5 days Correct Answer Incorrect Answer
    D 5/7 days Correct Answer Incorrect Answer

    Solution

    Total work: 6 workers × 4 days = 24 worker-days Work done in 3 days by 6 workers= 6 workers × 3 days = 18 worker-days Remaining work= 24-18=6 worker-days New total workers= 6+4= 10 workers Days to complete remaining work=6/10 worker-days =3/5 days

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