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      Question

      The average marks of the students of a class in a

      particular exam is 80. If 5 students whose average marks in that exam is 40 are excluded, the average marks of the remaining students will be 90. Find the number of students who wrote the exam.
      A 25 Correct Answer Incorrect Answer
      B 20 Correct Answer Incorrect Answer
      C 15 Correct Answer Incorrect Answer
      D 35 Correct Answer Incorrect Answer

      Solution

      The correct answer is A

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