Question

In a kilometer race, A beats B by 30 seconds and B beats C by 15 seconds. If A beats C by 180 m, the time taken by A to run 1 kilometer, is ?

Answer 1

Answer:

So, according to question A beats B by 30 seconds and B beats C by 15 seconds. Therefore, A beats C by= (30+15) seconds=45 seconds. As given A beats C by 180 meters and time taken by C to cover this distance is 45 seconds. Therefore speed of C =Distancetime=18045=4 m/sec.