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Q: The average marks of 40 students was 72; After re-checking it was found that the marks of two students was erroneously read as 52 and 75 instead of 62 and 85. What is the correct average of the total students?
  • A. 72
  • B. 72.5
  • C. 71.5
  • D. 73
Correct Answer: Option B -
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Explanations:

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