Multiple Choice Questions on x2 ndash 18x 72 0 5y2 ndash 18y 9 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

x2 ndash 18x 72 0 5y2 ndash 18y 9 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    x2 – 18x + 72 = 0

    5y2 – 18y + 9 = 0 

    If X > Y

    Correct Answer

    If X < Y

    Incorrect Answer

    If X ≥ Y

    Incorrect Answer

    If X ≤ Y

    Incorrect Answer
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    Explanation:

    If X>Y
    Explanation: 
    x2 – 18x + 72 = 0
    (x-12)(x-6) = 0
    Gives x = 6, 12
    5y2 – 18y + 9 = 0
    5y2 – 15y – 3y + 9 = 0
    Gives y = 3/5, 3

    By: MIRZA SADDAM HUSSAIN
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