Following bar graph shows the number of students appeared in board exam of class X of a public school.
100
110
90
120
Total = 45 + 65 = 110.
The bar graph shows the usual method of transport to school for the students in a class. Then what is the total number of students in the class?
95% of students are passed in a board exam. Find the number of students failed in the exam if 5400 students are appeared for the exam.