In a 2000 m race, A beats B by 100 meters or 15 seconds. Find the speed of B?	Select the correct option
A) 10m/s  B) 2m/s  C) 5m/s  D) 6.7m/s  E) 3m/s
Since A beats B by 100 m or 15 seconds,   it implies that B covers 100 m in 15 seconds.   Hence speed of B = 100/15 = 6.7 m/s.   Answer: 6.7m/s
<result>D</result>
In a 2000 m race, A beats B by 100 meters or 15 seconds. Find the speed of B?