A thief is spotted by a policeman from a distance of 200 meters. The policeman starts chasing at a speed of 10 km/h while the thief is running at a speed of 8 km/h. After how much time (in minutes) will the thief be caught ?

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

During a journey of 200 Km, the average speed of a car is 125 km/h. But if for the first 100 km, the driver increases its earlier average speed by 20% and then decreases it to its (2/3)rd for next 100 km. What will be the new average speed?

220 meter long train is running with a speed of 59 km/hr. In what time will it pass a man who is running at 7 km/hr in the direction opposite to that in which the train is going?

Piyush covers a certain distance on bike. Had he moved 3 km/h faster, he would have taken 20 min less. If he had moved 2 km/h slower, he would have taken 20 min more. The distance covered (in km) is:

A man sitting on a train which is traveling at 50 km/hr observes that a goods train, traveling in the opposite direction, takes 9 seconds to pass him. If the goods train is 280 meter long, find its speed?

A thief running at 6 km/hr is chased by a police officer whose speed is 10 km/hr. If the thief is 200 meter ahead of the police officer, then the time required for the police officer to catch the thief will be?