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      Question

      The number of students in a music class is increasing

      month after month as follows. Find the number of students in June from the following information.
      A 220 Correct Answer Incorrect Answer
      B 180 Correct Answer Incorrect Answer
      C 240 Correct Answer Incorrect Answer
      D 250 Correct Answer Incorrect Answer

      Solution

      January = 15 February 15 + 1³ = 16 March = 16 + 2³ = 24 April = 24 + 3³ = 51 May = 51 + 4³ = 115 June = 115 + 5³ = 240

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