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      Question

      The number of students in sections A and B are 60 and 70

      respectively. The average score in mathematics of students in A is 70 and that of students in A and B together is 63. What is the average score of students of section B in mathematics?
      A 57 Correct Answer Incorrect Answer
      B 56.5 Correct Answer Incorrect Answer
      C 50 Correct Answer Incorrect Answer
      D 57.5 Correct Answer Incorrect Answer

      Solution

      The correct answer is A

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