Question

    Find the missing number in the given number series.

    /> 1, 2, 3, 6, 11, 20, ?
    A 80 Correct Answer Incorrect Answer
    B 90 Correct Answer Incorrect Answer
    C 72 Correct Answer Incorrect Answer
    D 35 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Each term = sum of previous two + 1

    1 + 2 + 0 = 3

    2 + 3 + 1 = 6

    3 + 6 + 2 = 11

    6 + 11 + 3 = 20

    11 + 20 + 4 = 35

    (Increment in added value is 0, 1, 2, 3...)

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