There are **40 students** in the grade 11A class. The maximum marks for the mathematics paper in the term test is \(100. \)

The average marks of the girls in the class = \( 60\)

The average marks of the boys in the class = \(80\)

The average marks of the all 40 students = \(65\)

Find the difference of the **no. of girls & the no. of boys **in the class?

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