A survey was carried out in a certain school to find out the popular school subjects among students of Classes VI to VIII. The data in this regard is displayed as pictograph given below:
A. Which subject is most popular among the students?
B. How many students like Mathematics?
C. Find the number of students who like subjects other than Mathematics and Science.
(A) Hindi
Subject hindi has the most number of students. It has 4 books and each book represents 50 students. Therefore, 4 books will be 200 students in total which is the maximum among all subjects. So, hindi is the most popular subject among the students.
(B) 175
Mathematics has 3 and a half books and each book represents 50 students. Therefore , 50 
3.5 = 175 students in total like mathematics.
(C) 425
Subjects other than maths and science are hindi, english and social studies.
Hindi has 4 books ,each representing 50 students .So, number of students who like hindi = 4 
50 = 200.
English has 3 books ,each representing 50 students .So, number of students who like english = 3 
50 = 150.
Social Studies has 1.5 books ,each representing 50 students .So, number of students who like social studies = 1.5 
50 = 75. Therefore, total number of students who like subjects other than maths and science = 200+150+75 = 425