New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    I. 2x² - 7x + 3 = 0 II. 8y² - 14y + 5 =

    0
    A If x ≥ y Correct Answer Incorrect Answer
    B If x ≤ y Correct Answer Incorrect Answer
    C If x > y Correct Answer Incorrect Answer
    D If x < y Correct Answer Incorrect Answer
    E If relationship between a and b cannot be established or x = y. Correct Answer Incorrect Answer

    Solution

    I. 2x² - 7 x + 3 = 0 2x² - 6 x - x + 3 = 0 2 x (x – 3) – 1(x – 3) = 0 (2 x – 1) (x – 3) = 0 x = 3, 1/2 II. 8 y² - 14 y + 5 = 0 8 y² - 4 y - 10 y + 5 = 0 4 y(2 y – 1) – 5 (2 y – 1) = 0 y = 1/2, 5/4 Hence, relationship cannot be established between x and y.

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