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    Question

    2, 5, 16, 65, ?, 

    1957 What will come in place of the question mark (?) in the following series?
    A 335 Correct Answer Incorrect Answer
    B 426 Correct Answer Incorrect Answer
    C 326 Correct Answer Incorrect Answer
    D 425 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, The series follows the following pattern: 2 × 2 + 1 = 5, 5 × 3 + 1 = 16, 16 × 4 + 1 = 65, 65 × 5 + 1 = 326, 326 × 6 + 1 = 1957

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