Question
A group of 40 boys and 20 girls took part in a Mathematics competition. The average score of the boys was 72 points. While the average score of the girls was 84 points. What was the average score of all the pupils who participated in the competition?
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A group of 40 boys and 20 girls took part in a Mathematics competition. The average score of the boys was 72 points. While the average score of the girls was 84 points. What was the average score of all the pupils who participated in the competition?