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499

Q:

The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was?

  • 1
    59
  • 2
    59.5
  • 3
    60
  • 4
    60.5
  • Show Answer
  • Workspace

Answer : 3. "60 "
Explanation :

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