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Q: There are two sections, A and B of a class, consisting of 40 and 50 students, respectively. If the average weight of students in section A is 36 kg and that of those section B is 45 kg, then the average weight of the whole class is :
  • A. 39 kg
  • B. 43 kg
  • C. 42 kg
  • D. 41 kg
Correct Answer: Option D -
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Explanations:

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