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      Question

      The number of students in 4 classes are: 40, 50, 60, 70.

      The percentage increase from the first to the last class is:
      A 45% Correct Answer Incorrect Answer
      B 65% Correct Answer Incorrect Answer
      C 75% Correct Answer Incorrect Answer
      D 30% Correct Answer Incorrect Answer

      Solution

      ATQ, Increase = 70 โˆ’ 40 = 30 Percentage increase = 30/40 ร— 100 = 3/4 ร— 100 = 75%

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