Difference between pass percentage of girls and boys in class I = 80 - 45 = 35%
Difference between pass percentage of girls and boys in class II = 80 - 70 = 10%
Difference between pass percentage of girls and boys in class III = 50 - 40 = 10%
Difference between pass percentage of girls and boys in class IV = 90 - 70 = 20%
Difference between pass percentage of girls and boys in class V = 80 - 55 = 25%
Difference between pass percentage of girls and boys in class VI = 80 - 50 = 30%
Difference between pass percentage of girls and boys in class VII = 70 - 50 = 20%
Hence, it is clear that result of class I shows maximum difference between pass percentage of the girls and the boys.
