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    • Question

      20      21       30       55      104   

        ? What will come in place of the question mark (?) in the following series?
      A 185 Correct Answer Incorrect Answer
      B 186 Correct Answer Incorrect Answer
      C 183 Correct Answer Incorrect Answer
      D 184 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      20 + 12 = 21 21 + 32 = 30 30 + 52 = 55 55 + 72 = 104 104 + 92 =  185

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