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Q: In a class of 90 students, 60% are boys and rest are girls average weight of boys is 63 kg and that of girls is 54 kg. What is the average weight of the whole class?
  • A. 59.4 kg
  • B. 56.8 kg
  • C. 58.2 kg
  • D. 58.5 kg
Correct Answer: Option A -
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Explanations:

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