In a class, there were 24 boys and some girls. In a test the mean score obtained by the boys was 15 while that obtained by the girls was 17. If the overall average was 15.8, what was the total number of students in the class?

In a class, there were 24 boys and some girls. In a test the mean scor

1.	In a class, there were 24 boys and some girls. In a test the mean score obtained by the boys was 15 while that obtained by the girls was 17. If the overall average was 15.8, what was the total number of students in the class?
A.	42
B.	36
C.	45
D.	40
Answer» E.

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In a class, there were 24 boys and some girls. In a test the mean score obtained by the boys was 15 while that obtained by the girls was 17. If the overall average was 15.8, what was the total number of students in the class?

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