Subjects, there were 9 boys and some girls. In a test, the mean score obtained by the boys was 13 while that obtained by the girls was 15. If the overall average was 14.28, what was the total number of students in the class?
5 1600 5dc118bcb0e9c27a7e27c0d7
Q:
Subjects, there were 9 boys and some girls. In a test, the mean score obtained by the boys was 13 while that obtained by the girls was 15. If the overall average was 14.28, what was the total number of students in the class?
- 124false
- 226false
- 327false
- 425true
- Show Answer
- Workspace
- Discuss