Multiple Choice Questions on I X2 4 II Y2 ndash 6y 8 0 ........ for IBPS(Clerical) Exam Preparation

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Multiple Choice Questions

I X2 4 II Y2 ndash 6y 8 0 ........

Quantitative Aptitude(IBPS CL) Quadratic Equations
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    Direction: In the following question two equations are given in variables X and Y. You have to solve these equations and determine the relation between X and Y.

    I. X2 = 4

    II. Y2 – 6y + 8 = 0

    X > Y

    Incorrect Answer

    X < Y

    Incorrect Answer

    X ≥ Y

    Incorrect Answer

    X ≤ Y

    Correct Answer

    X = Y or No relation can be established

    Incorrect Answer
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    Explanation:

    I. X2 = 4
    ⇒ X = 2, –2
    II. y2 – 6y + 8 = 0
    ⇒ y2 – 4y – 2y + 8 = 0
    ⇒ y(y – 4) – 2(y – 4) = 0
    ⇒ (y – 4)(y – 2) = 0
    ⇒ y = 4, 2
    So, y ≥ x.

    By: Munesh Kumari
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