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10th Class Mathematics Quadratic Equations Question Bank Quadratic Equation

  • question_answer
    Find two consecutive even numbers whose product is double that of the greater number.

    A)  2, 5                             

    B)  8, 10          

    C)  2, 4    

    D)  10, 12

    Correct Answer: C

    Solution :

    (c): Let even nos. be \[n,n+2\Rightarrow n\left( n+2 \right)\] \[=2\left( n+2 \right)\] and \[n=-2\Rightarrow n+2=4\]and \[n+2=0\]                             


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