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In a class of 100 whose average maaverag...

In a class of 100 whose average maaverage 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`

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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 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?

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