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    Question

    Ayaan and Kabir started working together on a task. Ayaan

    does 4 units per day and Kabir can finish the full task in 25 days alone. The total work is 100 units. Calculate the time taken by both working together.
    A 21/11 Correct Answer Incorrect Answer
    B 25/2 Correct Answer Incorrect Answer
    C 33/5 Correct Answer Incorrect Answer
    D 23/4 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let, the time taken by Ayaan and Kabir to do the work be β€˜x’ days.

    Units of work done by Kabir in a day = 100 / 25 = 4 units

    So, 100 / x = 4 + 4 = 8

    100 = 8x

    x = 100 / 8 or 25/2

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