Out of 60 students in a class, 70% are boys and rest are girls. The average score of boys in a test is 50. If the average score of all the students in the class is 56, then what is the average score of girls?
1
50
2
70
3
90
4
60
Out of 60 students in a class, 70% are boys and rest are girls. The average score of boys in a test is 50. If the average score of all the students in the class is 56, then what is the average score of girls?