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 are 72, then what are the average marks of the girls [AIEEE 2002]

In a class of 100 students there are 70 boys whose average marks in a

1.	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 are 72, then what are the average marks of the girls [AIEEE 2002]
A.	73
B.	65
C.	68
D.	74
Answer» C. 68

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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 are 72, then what are the average marks of the girls [AIEEE 2002]

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