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

    Question

    Select the option that is related to third

    number-cluster in the same way first number cluster is related to second number-cluster. 83: 73 :: 79: ?
    A 130 Correct Answer Incorrect Answer
    B 122 Correct Answer Incorrect Answer
    C 141 Correct Answer Incorrect Answer
    D 138 Correct Answer Incorrect Answer
    E 128 Correct Answer Incorrect Answer

    Solution

    The logic is the sum of the square of the digits of the first and third number is the second and fourth number respectively.

    For '83’: 106’ = 8² + 3² = 64 + 9 = 73.

    Similarly, for '79’: ?' = 7² + 9² = 49 + 81 = 130.

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