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      Question

      2 5 16 65 326

      ? What will come in place of the question mark (?) in each of the following series?
      A 1958 Correct Answer Incorrect Answer
      B 1946 Correct Answer Incorrect Answer
      C 1957 Correct Answer Incorrect Answer
      D 1955 Correct Answer Incorrect Answer
      E 1959 Correct Answer Incorrect Answer

      Solution

      2 × 2 + 1 = 5 5 × 3 + 1 = 16 16 × 4 + 1 = 65 65 × 5 + 1 = 326 326 × 6 + 1 = 1957

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