In a 900 meters race, A gives B a start of 150 meters and defeats him by 50 seconds. If the speed of A is 4.5 m/sec, then speed of B is:

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?

A fisherman is rowing a boat. He takes 6 hours to row 48 km upstream whereas he takes 3 hours to go to the same distance downstream.

Based on the above information, which of the following are correct?

(A) His speed of rowing in still water is 10 km/hour.

(B) The speed of the stream is 3 km/hour.

(C) The average speed of the fisherman is 32/3 km/hour.

(D) The speed of the stream is 4 km/hour.

Choose the correct answer from the options given below:

A motor boat can travel 5 km/hr in still water. It travelled 9 km downstream in river and then returned back taking altogether 10 hours. The rate of flow of water in the river is:

In a 500 metres race, the ratio of speeds of two participants Meena and Kamal is 4:5 respectively. If Meena has a start of 200 metres, find the distance by which Meena wins.

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?

A man rows downstream 30 km and upstream 20 km. If he takes 5 hours to cover each distance, then the speed of stream is