Multiple Choice Questions on 3x2 ndash 14x 16 0 5y2 ndash 16y 12 0 ........ for SBI (Clerical) Exam Preparation

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Multiple Choice Questions

3x2 ndash 14x 16 0 5y2 ndash 16y 12 0 ........

Quantitative Aptitude (SBI-CL) Quadratic Equations
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    3x2 – 14x + 16=0
    5y2 – 16y + 12=0

    x > y

    Incorrect Answer

     x < y 

    Incorrect Answer

    x=y, or relation cannot be established between x and y 

    Correct Answer

    x ≥ y

    Incorrect Answer

     x ≤ y

    Incorrect Answer
    Explanation:

    3x2 – 14x + 16=0

    3x2 –6x – 8x + 16=0

    3x (x-2) – 8 (x-2) (3x-8) (x-2)=0

    x=8/3 or 2

    5y2 – 16y + 12=0

    5y2 – 10y – 6y + 12=0

    5y (y-2) – 6 (y-2)=0

    (5y-6) (y-2)=0 y=6/5 or 2

    Can't be determined.

    By: Munesh Kumari
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