A cyclist covers a distance of 170 meters in 17 seconds. The time taken by the cyclist to cover the distance of 6 km, shall be how much?

Arun driven a car and covers a certain distance in 6 hours at a speed of 50 kmph. By what percent should the speed of the Arun car be increased to cover the same distance in 4 hours ?

A train running at the speed of 80 km/h crosses a 350 m long tunnel in 36 seconds. The length of the train (in m) is:

Alice is faster than Bob, Alice and Bom each walk 30 km. The sum of their speeds is 8 km/hr and sum of time taken by them is 16 hours. Then Alice's speed is equal to

A person completes a journey of 72 km in 3 hours. How much time will he take to cover a distance of 288 km?

A motor boat can travel at 10 km/hr in still water. It travelled 91 km downstream in a river and then returned to the starting point, taking altogether 20 hours. Find the rate of flow of the river?

A boat covers 150 km downstream and 40 km upstream in 4 hours while it covers 70 km downstream and 24 km upstream in 2 hours. Determine the velocity of the current?