A person crosses a 800 m long street in 5 minutes. What is his speed in km per hour?	Choose the correct choice from the following:
A) 1.23  B) 2.86  C) 4.36  D) 9.25  E) 9.61
distance = 800 meter   time = 5 minutes = 5 x 60 seconds = 300 seconds   Speed = distance/time=800/300=2.67 m/s=2.67Ã—18/5 km/hr=9.61 km/hr   Answer :9.61
<result>E</result>
A person crosses a 800 m long street in 5 minutes. What is his speed in km per hour?