Why the students fail???

It's not the fault of the student if he fails, because the year ONLY has 365' days. Typical academic year for a student: 1. Sundays-52, Sundays in a year, you know Sundays are for rest. Days left 313. 2. Summer holidays-50 where weather is very hot and difficult to study. Days left 263. 3. 8 hours daily sleep- 130 days GONE. Days left 141. 4. 1 hour for daily playing- (good for health) means 15 days. Days left 126. 5. 2 hours daily for food & other delicacies (chewing properly & swallowing)-means 30days. Days left 96. 6. 1 hour for talking (man is a social animal)-means 15 days. days left 81. 7. Exam days- per year at least 35 days. Days left 46. 8. Quarterly, Half yearly and festival (holidays)-40 days.Balance 6 days. 9. For sickness- at least 3 days. Remaining days=3. 10. Movies and functions - at least 2 days. 1 day left. 11. That 1 day is your birthday. How can you study on that day??????!!!!!!!!!! Balance = 0 "How can a student pass ??"