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    Question

    What will come in place of question mark [?] following

    the same pattern as given below?
    A 515 Correct Answer Incorrect Answer
    B 518 Correct Answer Incorrect Answer
    C 544 Correct Answer Incorrect Answer
    D 522 Correct Answer Incorrect Answer

    Solution

    The logic followed here is as follows. The sum of the squares of all the number that are given around the triangle is written in the middle of the triangle. In triangle 1 [7, 12, 17, 630] → 7² + 12² + 17² = 49 + 144 + 289 = 482 Similarly, in triangle 2 [11, 15, 13, ?] → 11² + 15² + 13² = 121 + 225 + 169 = 515

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