Mathematics · Averages
There are 7 students in a class: A, B, C, D, E, F, and G. In an exam, the average marks of the top three scorers A, B, and C is 80, and the average marks of the bottom three scorers E, F, and G is 40. If D scored 60 marks, what is the average score of the entire class?
- 145
- 250
- 360✓
- 470
Correct answer
60
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