Why do students fail in exams?

 Why do students fail in exams?
BECOZ

Eight hours of sleep each day =122 days
365-122=243

summer holidays=61 days
243-61=182

sundays in a year= 52 days
182-52=130

festival holidays= 40 days
130-40=90

3 hrs of daily routine=46 days
90-46=44

winter holiays=15 days
44-15=29

1hr of chatting per day=15 days
29-15=14

sickness days/yr = 10 days
14-10=4

film time in a yr= 3 days
4-3=1
remaining 1day is their
HAPPY BIRTHDAY…