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

    Question

    The sum of four consecutive even numbers is 108. What is

    the sum of the squares of these numbers? 
    A 2836 Correct Answer Incorrect Answer
    B 2949 Correct Answer Incorrect Answer
    C 2981 Correct Answer Incorrect Answer
    D 2936 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the consecutive even number be x, x + 2, x + 4 and x + 6 Now,  x + x + 2 + x + 4 + x + 6 = 108 4 x + 12 = 108 4 x = 96 x = 24 Now,  Numbers are 24, 26, 28 and 30 Required sum = 24² + 26² + 28² + 30² = 576 + 676 + 784 + 900 = 2936

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