Question

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

    three days 3 more skilled workers joined them. How many days will they now take to complete the remaining work?
    A 2/3 Correct Answer Incorrect Answer
    B 1/2 Correct Answer Incorrect Answer
    C 1/3 Correct Answer Incorrect Answer
    D 3/4 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+3= 9 workers Days to complete remaining work=6/9 worker-days =2/3 days

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