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      Question

      The average number of sweets distributed in a class of

      90 students is 6. If lsquo;xrsquo; number of students newly joined the class and the average becomes 5, and then find the newly joined students in the class?
      A 16 Correct Answer Incorrect Answer
      B 11 Correct Answer Incorrect Answer
      C 14 Correct Answer Incorrect Answer
      D 15 Correct Answer Incorrect Answer
      E 18 Correct Answer Incorrect Answer

      Solution

      Let newly joined students be x, According to the question, 90 x 6 = (90 + x) x 5 540 = 450 + 5x 90 = 5x x = 18 The newly joined students in the class = 18

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