Number of students in X school in last 5 years Class A Class B Boys Girls Boys Girls 2016 70 40 55 40 2017 88 67 78 66 2018 67 80 57 80 2019 72 77 67 85 2020 67 65 78 62 What is the difference between total number of boys and girls of class A in last five years? 35 girls are more O35 boys are more O33 girls are more O33 boys are more