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      Question

      7                 6

                         45                  40                  312                   304 Find out the wrong number in the following given series:
      A 40 Correct Answer Incorrect Answer
      B 304 Correct Answer Incorrect Answer
      C 312 Correct Answer Incorrect Answer
      D 45 Correct Answer Incorrect Answer
      E 6 Correct Answer Incorrect Answer

      Solution

      7 × 1³ - 1 = 6 6 × 2³ - 3 = 45 45 × 1³ - 5 = 40 40 × 2³ - 7 = 313 313 × 1³ - 9 = 304

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