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The average weight of 45 students in a class is 52 kg. Five of them whose average weight is 48 kg leave the class and other 5 students whose average weight is 54 kg join the class. What is the new average weight (in kg) of the class?
- A. $$52\frac{1}{3}$$
- B. $$52\frac{1}{2}$$
- C. $$52\frac{2}{3}$$
- D. None of these
Answer: Option C
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