New SIDBI Grade A New Batch Starts on Nov 18

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    Question

    A can do a piece of work in 24 days. B can do the same work in 16 days and C can do the same work in 5/4th time required by both A and B together. A and B work together for 6 days, then C complete the remaining work. How many day did C work?

    A 7/2 days Correct Answer Incorrect Answer
    B 8/3 days Correct Answer Incorrect Answer
    C 9/2 days Correct Answer Incorrect Answer
    D 7/4 days Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    => (A + B) together = 48/5 day => C alone = (48/5) × (5/4) days = 12 days Remaining work = 48 – 5 × 6 = 18 C’s work = (18 × 12)/48 = 9/2 days

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