Why do students fail in exams...?

It's not the fault of the student if he fails, because the year ONLY has 365' days.
Typical academic year for a student

01.) Sundays-52, Sundays in a year, you know Sundays are for rest. Days left 313.
02.) Summer holidays-50 where weather is very hot and difficult to study. Days left 263.
03.) 8 hours daily sleep- 130 days GONE.. Days left 141.
04.) 1 hour for daily playing- (good for health) means 15 days. Days left 126.
05.) 2 hours daily for food & other delicacies (chewing properly & swallowing)-means 30days. Days left 96.
06.) 1 hour for talking (man is a social animal)-means 15 days Days left 81.
07.) Exam days- per year at least 35 days. Days left 46.
08.) Quarterly, Half yearly and festival (holidays)-40 days. Balance 6 days.
09.) 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 ur birthday. How can you study on your B'day??

Balance = 0 "How can a student pass?