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    Question

    What will come in place of the question mark (?) in the following series?

    2, 6, ?,  20, 30,

    42
    A 20 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 19 Correct Answer Incorrect Answer
    D 28 Correct Answer Incorrect Answer

    Solution

    The given series follows the following pattern: 11 + 1 = 2 22 + 2 = 6 32 + 3 = 12 42 + 4 = 20 52 + 5 = 30 62 + 6 = 42

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