TORTOISE AND RABBIT

Tortoise and rabbit wrote entrance exam
Tortoise got 80%
Rabbit 81%
Both went for admission in an 
engineering college  
Cut off needed was 85%....
Rabbit did't get but
Tortoise got admission.
How?
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remember ? 
When we were in 
1st standard tortoise won a
race....

Sports quota 5% marks extra.....!