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    Three people A, B and C worked together and finished a work in 9 days. If A alone can finish the same work in 18 days, B alone in 30 days, then the nu
    Question

    Three people A, B and C worked together and finished a work in 9 days. If A alone can finish the same work in 18 days, B alone in 30 days, then the number of days C alone will take is:

    A.

    36 days

    B.

    45 days

    C.

    40 days

    D.

    54 days

    Correct option is B

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