Multiple Choice Questions on 5 7 ndash 5 21 radic x 42 radic y 4 radic y 16 250 radic y ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

5 7 ndash 5 21 radic x 42 radic y 4 radic y 16 250 radic y ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    5/7 – 5/21 = √x/42

    √y/4 + √y/16 = 250/√y

    X > Y

    Incorrect Answer

    X < Y

    Correct Answer

    X ≥ Y

    Incorrect Answer

    X = Y or relation cannot be established

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    X < Y
    Explanation: 
    5/7 – 5/21 = √x/42
    10/21 = √x/42
    √x = 20
    x = 400
    √y/4 + √y/16 = 250/√y
    5√y/16 = 250/√y
    y = 800

    By: MIRZA SADDAM HUSSAIN
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