New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    If X + Y = 23 and XY = 126, what is the value of (X)² +

    (Y)² ?
    A 130 Correct Answer Incorrect Answer
    B 277 Correct Answer Incorrect Answer
    C 340 Correct Answer Incorrect Answer
    D 386 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Given: X+Y=23 XY=126 Use the identity: Substitute:

    Practice Next