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    Question

    Which of the following numbers will replace the question

    mark (?) in the given series? 0, 2, 6, 12, 20, ?
    A 35 Correct Answer Incorrect Answer
    B 34 Correct Answer Incorrect Answer
    C 28 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    Find the difference between consecutive terms: 2 - 0 = 2 6 - 2 = 4 12 - 6 = 6 20 - 12 = 8 The differences are: 2, 4, 6, 8 The pattern follows an increasing sequence: +2, +4, +6, +8, +10, ... The complete sequence becomes: 0, 2, 6, 12, 20, 30   Thus, the missing number is 30.

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