A person crosses a 1000 m long street in 10 minutes. What is his speed in km per hour?
Pick one.
A) 7.1	B) 8.2	C) 4.6	D) 6.0	E) 12.8
distance = 1000 meter   time = 10 minutes = 10 x 60 seconds = 600 seconds   Speed = distance/time=1000/600=1.67m/s=1.67Ã—18/5 km/hr=6.0 km/hr   Answer :6.0
<result>D</result>
A person crosses a 1000 m long street in 10 minutes. What is his speed in km per hour?