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    Question

    Which of the following numbers will replace the question

    mark (?) in the given series? 144, 169, 196, ?, 256, 289, 324
    A 125 Correct Answer Incorrect Answer
    B 225 Correct Answer Incorrect Answer
    C 121 Correct Answer Incorrect Answer
    D 129 Correct Answer Incorrect Answer

    Solution

    The logic followed here is: The square of the consecutive number in the number series is the next number starting from '12'. 12² = 144 13² = 169 14² = 196 15² = 225 16² = 256 17²  = 289 18² = 324

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