Mathematics · Averages
The average weight of 45 students in a class is 50 kg. Five of them whose average weight is 43 kg leave the class and 5 other students whose average weight is 57 kg join the class. What is the new average weight (in kg) of the class?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 151.56✓
- 257.65
- 353.15
- 454
Correct answer
51.56
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