DSSSB · Mathematics
In a class, 15 students scored an average of 78 marks and 10 students scored an average of 84 marks. Find the overall average marks of the class.
- 80.2
- 81.2
- 81.6
- 80.4
In a class, 15 students scored an average of 78 marks and 10 students scored an average of 84 marks. Find the overall average marks of the class.
- 80.2
- 81.2
- 81.6
- 80.4
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