Question

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

    7, 8, 12, 21, 37, ?

    A 62 Correct Answer Incorrect Answer
    B 22 Correct Answer Incorrect Answer
    C 69 Correct Answer Incorrect Answer
    D 55 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    7 + 1² = 8 8 + 22 = 12 12 + 32 = 21 21 + 42 = 37 37 + 52 = 62

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