Multiple Choice Questions on I x2 ndash 6x ndash 91 0 II y2 ndash 32y 247 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

I x2 ndash 6x ndash 91 0 II y2 ndash 32y 247 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    I. x2 – 6x – 91 = 0

    II. y2 – 32y + 247 = 0

    x > y

    Incorrect Answer

    x < y

    Incorrect Answer

    x ≥ y

    Incorrect Answer

    x ≤ y

    Correct Answer
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    Explanation:

    x2 – 6x – 91 = 0
    x2 – 13x + 7x – 91 = 0
    So x = 13, -7
    y2 – 32y + 247 = 0
    y2 – 19y -13y + 247 = 0
    So y = 19, 13
    Put all values on number line and analyze the relationship
    -7…13…13…19

    By: Amit Kumar
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