Multiple Choice Questions on I 2x sup2 ndash 9x 10 0 II 2y sup2 ndash 13y 20 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

I 2x sup2 ndash 9x 10 0 II 2y sup2 ndash 13y 20 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    I. 2x² – 9x + 10 = 0

    II. 2y² – 13y + 20 = 0

    y > x

    Incorrect Answer

    y ≥ x

    Correct Answer

    x > y

    Incorrect Answer

    x ≥ y

    Incorrect Answer
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    Explanation:

    I. 2x² – 9x + 10 = 0
    ⇒ (x – 2) (2x – 5) = 0
    ⇒ ?? = 2, 5/2
    II. 2y² – 13y + 20 = 0
    ⇒ (y – 4) (2y – 5) = 0
    ⇒ ?? = 4,5/2
    y ≥ x

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