student problem reality

Why Do students fails??
A year has 365 days
Sunday: 52 days
Summer holidays: 50 days
8 hours daily sleep means 122 d ays
1 hour daily playing means 15 days
2 hours daily food means 30 days
1 hours 4 talking means 15 days
Exam days total in a year 35 days
Festival 40 days
4 sickness
3 days
Movie,
function atleast 2 days
Bal:1 day.
that 1 day is ur birthday
How can A Student pass????
Think  all students guys!!