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    Question

    Three of the following four pairs of numbers are like

    in a certain way and one is different. Pick the odd one out. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g.13 - operation on 13 such as adding / subtracting / multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
    A 10: 97 Correct Answer Incorrect Answer
    B 13: 166 Correct Answer Incorrect Answer
    C 15: 220 Correct Answer Incorrect Answer
    D 17: 286 Correct Answer Incorrect Answer

    Solution

    10² - 3 = 100 – 3 = 97 13² - 3 = 169 – 3 = 166 15² - 3 = 225 – 3 = 222

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