In your school, a skating competition was organized and you were asked to find the best skater out of 5 participants of class 7 students.
Contestant A covered a distance 1100m within 40 minutes.
Contestant B covered a distance 1800m within 1 hour and 10 minutes.
Contestant C covered a distance 1000m within 60 minutes.
Contestant D covered a distance 900m within half an hour.
Contestant E covered a distance 1500m within 55 minutes.