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Q: The average weight of some students in a class was 60.5 kg. When 8 students, whose average weight was 65kg, joined the class, then the average weight of all the students increased by 0.9kg. The number of students in the class, initially was:
  • A. 32
  • B. 37
  • C. 40
  • D. 42
Correct Answer: Option A -
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Explanations:

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