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569

Q:

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55 and 60, then the average marks of all the students is?

  • 1
    54.68
  • 2
    53.33
  • 3
    55
  • 4
    None of these
  • Show Answer
  • Workspace

Answer : 1. "54.68 "
Explanation :

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