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A cyclist covers a distance of 750 meters In 2 minutes and 30 seconds. What is his speed in km/hr?
- 16km/hr
- 17km/hr
- 18km/hr
- 19km/hr
Solution:
cover 750 meter in 2.5 minutes. (2 min 30 sec)
in one minute = 750/2.5=300
in 60 minutes= 300 x60 =18000
in one hour /km =18000/1000=18 km/hr