Subject

    গাণিতিক যুক্তি

    Topic

    সরলীকরণ

    Mr. Sourobh will be 'p' years old 'q' years from now. How old was he 'r' years ago ?

    ক)
    p-q-r
    খ)
    q-p-r
    গ)
    p-r -q
    ঘ)
    r -p -q

    Explanation

    present age = p-q and 'r' years ago age was p-q-r

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