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    Question

    Three of the following number pairs are alike in some

    manner and hence form a group. Which number pair does NOT belong to that group? (NOTE : Operations should be performed on the whole numbers, without breaking down the number into its constituent digits. E.g. 13 – Operations 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 18 – 166 Correct Answer Incorrect Answer
    B 31 – 283 Correct Answer Incorrect Answer
    C 14 – 130 Correct Answer Incorrect Answer
    D 23 – 217 Correct Answer Incorrect Answer

    Solution

    The logic is follwed here- 18 x 9 = 162 + 4 = 166 31 x 9 = 279 + 4 = 283 14 x 9 = 126 + 4 = 130 23 x 9 = 207 +10 = 217

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