Why a student fail in his exam

• 
  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-means 130 days.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(chew properly & eat)-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 atleast 35 days.Days left 46.
• 8. Quarterly, Half yearly and festival (holidays)-40 days.Balance 6 days.
• 9. For sickness atleast 3 days.Remaining days 3.
• 10. Movies and functions atleast 2 days.1 day left.
• 11. That 1 day is your birthday. "How can you study