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      Question

      Which number will replace the question mark (?) in the

      following series? 127, 144, 163, 186, ?, 246, 283
      A 216 Correct Answer Incorrect Answer
      B 179 Correct Answer Incorrect Answer
      C 189 Correct Answer Incorrect Answer
      D 215 Correct Answer Incorrect Answer

      Solution

      The logic followed here is the difference between the numbers are consecutive prime numbers starting from 17. 127 + 17 = 144 144 + 19 = 163 163 + 23 = 186 186 + 29 = 215 215 + 31 = 246 246 + 37 = 283

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