The given chart shows the number of students in Class 4, Class 5, Class 6 and Class 7 who got first class, second class and failed in the final examinations.

Which class has the highest number of students who passed?

Class 4

Total number of students in each class = 60

Passed students in class 4 = 45 + 12 = 57

Passed students in class 5 = 38 + 15 = 53

Passed students in class 6 =  42 + 10 = 52

Passed students in class 7 = 30 + 25 = 55

So , class 4 has maximum number of passed students.