How many students are there in your class? How many boys and girls are there in your class? (i) Find the ratio of the number of girls to boys. (ii) Find the ratio of the number of girls to the total number of students. (iii) Find the ratio of the total number of students to the number of boys. (iv) If 2 more new girls and 3 more new boys are admitted in your class, what is the new ratio of the number of boys to the girls?​