The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It was released in 1982 branded as Digital Audio Compact Disc. The format was later adapted for storage of data (CD-ROM).
Two trains, each 100 meters long, are running in opposite directions. If one train's speed is twice that of the other and they take 10 seconds to cross ...
Two cars start from a place with a speed of 55 km/hr at an interval of 15 minutes. What is the speed of a man coming from the opposite direction towards...
A train 300 metre long takes 30 sec to cross a man running at a speed of 6 km/hr in the direction opposite to that of train. What is the speed of the tr...
770 metres long train crosses a man who is moving in the same direction with a certain speed, in 35 seconds. If the same train can cross a tree in 22 se...
Two trains ‘A’ and ‘B’ started from station ‘P’ and ‘Q’ towards station ‘Q’ and ‘P’ respectively at the same time. When they met...
The ratio between the speeds of train J and K is 7:5 respectively. Train J which is (a+140) metre long can cross a pole in 24 seconds. If train K can cr...
Two trains running at the rates of 75 and 60 kmph respectively, On parallel rails in opposite directions, are observed to pass each other in 12 seconds,...
A person travels a distance of 60 km, some distance he travels by bus and rest of the journey by walking, then he takes 4 hours and 20 minutes. If he ha...
A train, which is moving at the rate of 60 miles per hour, is brought to rest in 3 minutes with a uniform retardation, find this retardation, and also t...
A person sees a train passing over 4 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 4 mins. What is th...
