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    Question

    65 : 31 :: 72 : ? :: 34 :

    19
    A 18 Correct Answer Incorrect Answer
    B 11 Correct Answer Incorrect Answer
    C 16 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    The logic followed here is: The square of the 2nd digit of the first number is added to the 1st digit of the first number to get the second number. 65 : 31 → 6 + (5)² = 6 + 25 = 31 34 : 19 → 3 + (4)² = 3 + 16 = 19 72 : ? → 7 + (2)² = 7 + 4 = 11

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