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    Question

    In the following number-pairs, the second number is

    obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of :: is the same as that on the right side of ::? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers 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.) X : 346 :: 9 : Y
    A X = 8, Y = 756 Correct Answer Incorrect Answer
    B X = 5, Y = 612 Correct Answer Incorrect Answer
    C X = 5, Y = 612 Correct Answer Incorrect Answer
    D X = 6, Y = 729 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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