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Answer :
Final answer:
The mean mark for the girls in class 10 R is 8%.
Explanation:
To find the mean mark for the girls, we need to subtract the average mark for the boys from the overall average mark for the class. The average mark for the class is given as 70%. The average mark for the boys is given as 62%. To find the average mark for the girls, we subtract 62% from 70%:
Mean mark for the girls = 70% - 62% = 8%
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