Question
What is the term for the process of trading goods over
the Internet?Solution
 It involves buying and selling goods online.
A train travelling at the speed of 72 km/hr crosses another train, having 40 meters less length and travelling in opposite direction at the speed of 54 ...
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A train started from station P and preceded towards station Q at a speed of 60 km/h. 35 minutes later, another train started from station Q and preceded...
How many seconds will a train 60 m in length, travelling at the rate of 40 km an hour, take to pass another train 90 m long, proceeding in the same dire...
A train crosses a stationary tree in 13 seconds and a 150-meter-long bridge in 18 seconds. If a dog is walking in the same direct...
Train X, traveling at a speed of 72 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 108 km/hr, in 't' seconds. I...
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