In a class of 100 students, there are 70 boys whose average marks in a subject is 75. If the average marks of the complete class is 72, then what is the average of the girls ?

In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average of the girls?

In a class of 100 students, there are 70 boys whose average marks in a subject are 75.If the average marks of the complete class is 72. then what is the average of the girls?

In a class of 100 students there are 70 boys whose average marks in a subject is 75. If the average marks of the complete class is 72, then what is the average number of the girls ?

In a class of 100 students, there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls ?

In a class of 100 students there are 70 boys whose average marks in subject are 75. If the average marks of the complete class are 72, then the average marks of the girls

In a class of 100 whose average maverage marks oflass of 100 students there are 70 boysaverage marks in a subject are 75. If themarks of the complete class is 72, thenwhat is the average of the girls? (a) 73 (b) 65 (c) 68 (d) 74

In a class of 60 students there are 20 girls who scored an average of 40 marks in the test, what is the average marks of the boys if the class average is 60 marks?