In a 1000 m race, A beats B by 200 meters or 25 seconds. Find the speed of B?	Answers.
A) 5 m / s  B) 8 m / s  C) 9 m / s  D) 4 m / s  E) 2 m / s

Rationale: b 8 m / s since a beats b by 200 m or 25 seconds , i t implies that b covers 200 m in 25 seconds . hence speed of b = 200 / 25 = 8 m / s .
Answer: B