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    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 45 - 11 Correct Answer Incorrect Answer
    B 85 - 27 Correct Answer Incorrect Answer
    C 72 - 7 Correct Answer Incorrect Answer
    D 64 – 14 Correct Answer Incorrect Answer

    Solution

    1) 45 - 11 = (4 X 5) - (4 + 5) = 20 – 9 = 11 2) 85 – 27 = (8 X 5) - (8 + 5) = 40 -13 = 27 3) 72 – 7 = (7 X 2) - (7 + 2) = 14 - 9 = 5 4) 64 – 32 = (6 X 4) - (6 + 4) = 24 - 10 = 14

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