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    Question

    What must be added to (7/20) to make it

    (3/4)?
    A 2/5 Correct Answer Incorrect Answer
    B 2/3 Correct Answer Incorrect Answer
    C 3/7 Correct Answer Incorrect Answer
    D 1/5 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the required number be ‘x’

    (7/20) + x = (3/4)

    Or, x = (3/4) – (7/20)

    Or, x = {(15 – 7)/20}

    Or, x = (8/20)

    So, x = (2/5)

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