Subject

    Quantitative Aptitude

    Topic

    Number

    The sum of two numbers is equal to thrice their difference. If the smaller of the number is find the other number

    ক)
    15
    খ)
    20
    গ)
    40
    ঘ)
    None of these

    Explanation

    Let, two numbers are X and Y. Y is the smaller number. Given, Y = 10 And, According to question, (X +Y) =3*(X - Y) (X +10) = 3* (X -10) X - 3X = -30 - 10 -2X = -40 X = 20. So, the required number is 20.

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