What is the total number of students enrolled in all the three classes together ?

Total number of girls enrolled in Singing is 'approximately' what percent of the total number of students in the school ?

What is the total number of boys who are enrolled in Dancing ?

What is the percentage increase in percent rise in profit of Company M in the year 2009 from the previous year?

Which of the following statements is TRUE with respect to the above graph?

What is the average percent rise in the profit of Company L over all the years together?