. An athlete runs 200 meters race in 24 seconds. His speed is:

A 20 km/hr

B 24 km/hr

C 30 km/hr

D 28.5 km/hr

Solution

Correct Answer: Option C

speed=distance/time = 200/24 m/sec =25/3m/sec =(25/3 x 18/5)km/hr