Question

    Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.

    A (17, 281) Correct Answer Incorrect Answer
    B (11, 119) Correct Answer Incorrect Answer
    C (22, 480) Correct Answer Incorrect Answer
    D (13, 163) Correct Answer Incorrect Answer

    Solution

    17² - (1 + 7) = 289 – 8 = 281 11² - (1 + 1) = 121 – 2 = 119 22² - (2 + 2) = 484 – 4 = 480 13² - (1 + 3) = 169 – 4 = 165

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