Number of students whose favorite colour is brown or purple is:
16
20
12
24
Required number of students = 1.5 x 4 + 2.5 x 4 = 6 + 10 = 16.
Number of students whose favorite colour is orange is:
The bar graph shows the favorite subjects of 20 students of class VI 'B'. The number of students who like maths is __ more than science.
FAVORITE SUBJECTS OF 20 STUDENTS