Usain Bolt runs a 100 m race and defeats his rival by 1 m. If Usain's speed was 9 m/s, the speed of the rival was :

The speed of a boat in still water is 15 km/hr. It takes twice as long to go upstream to a point as to return downstream to the starting point. The speed of the stream is:

Two runners, Ajay and Vijay complete a 600 m race in 38 seconds and 48 seconds respectively. By how many meters will Ajay defeat Vijay?

A man rows 24 km upstream in 6 hours and 36 km downstream in 6 hours each time, then the speed of the boat in the still water is

Two runners A and B complete a 150 meters race in 24 seconds and 36 seconds respectively. By how many meters will A defeat B?

In a kilometer race P runs at 10 m/sec, Q runs at 5 m/sec then which of the following statement(s) is/ are correct ?

(A) P wins the race in 100 sec

(B) Q wins the race in 100 sec

(C) P defeats Q by 500 m

(D) Q defeats P by 500 m

Choose the correct answer from the options given below:

In a 10 km race, A, B and C each run at uniform speed, get the first, second and third position respectively. If A beats B by 1 km and B beats C by 1 km, then, by how much distance A beat C?