Question

    Four numbers have been given, out of which three are

    alike in some manner and one is different. Select the number that is different.
    A (18, 325) Correct Answer Incorrect Answer
    B (22, 485) Correct Answer Incorrect Answer
    C (12, 145) Correct Answer Incorrect Answer
    D (28, 787) Correct Answer Incorrect Answer

    Solution

    18² = 324 + 1 = 325 22² = 484 + 1 = 485 12² = 144 + 1 = 145 28² = 784 + 1 = 785

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