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Mass contact is a method of communication used when persons are more then 30 and group contact is used when people are between 2-30.
Two trains A and B, were proceeding in the same direction on parallel tracks at 22 km/hr and 76 km/hr respectively. A man noticed that it took exactly 1...
Two trains of equal lengths take 15 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what ti...
There are two trains A and B. A start from point X at 6 AM towards point Y. Another train B starts at 7 AM from point X. If they meet at 8 AM and...
Car 'X' travels for 4 hours to reach from point A to B. Car 'Y' travels 210 km to reach from point B to C in 3 hours. Distance travelled by car 'X' to c...
Train A. running at the speed of 80 km/hr crossed train B. running at the speed of 70 km/hr in the opposite direction. Both trains finish crossing each ...
Two trains running at the rates of 108 and 90 kmph respectively, On parallel rails in opposite directions, are observed to pass each other in 24 secon...
A train started from station P and preceded towards station Q at a speed of 84 km/h. 40 minutes later, another train started from station Q and preceded...
A train running at 25 km/hr takes 36 seconds to pass a platform. Next, it takes 14 seconds to pass a man walking at 7 km/hr in the same direction. Find ...
1260 metres long train crosses a man who is moving in the same direction with a certain speed in 30 seconds. If the same train can cross a pole in 21 se...
Speed of train A and train B is 90 km/hr and 36 km/hr respectively. They cross each other in 10 seconds when they are running in opposite directions. Le...
