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    Question

    Komal and Seema individually can complete a task in

    ‘2a’ hours and ‘4a’ hours respectively. If they together can complete (3/4)th of the work in 2 hours, then find the value of ‘a’.
    A 2 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    According to the question, => 2 x [(1/2a) + (1/4a)] = 3/4 => 2 x (3/4a) = 3/4 => a = 2

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