Multiple Choice Questions on 10x2 59x 45 0 20y2 13y 2 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

10x2 59x 45 0 20y2 13y 2 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    10x2+59x+45=0

    20y2-13y+2=0

    x<y

    Correct Answer

    x<=y

    Incorrect Answer

    x>y

    Incorrect Answer

    the relation cannot be determined

    Incorrect Answer
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    Explanation:

    10x2+59x+45=0
    10x2 +50x+9x+45=0
    10x(x +5) + 9(x +5)=0
    (x+5) ( 10x+9)=0
    x= -5 , -9/10
    20y2-13y+2=0
    20y2 -5y- 8y +2=0
    5y( 4y-1) – 2(4y-1)=0
    (4y-1) ( 5y-2)=0
    y= 1/4, 2/5
    Hence y>x

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