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Let newly joined students be x, According to the question, 90 x 6 = (90 + x) x 5 540 = 450 + 5x 90 = 5x x = 18 The newly joined students in the class = 18
A person sees a train passing over 5 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 6 mins. What is th...
The ratio of the speeds of the train and the man is 4:1. The length of the train is 650 m and crosses a pole in 1 min 5 seconds. In how much time will t...
Train A leaves a station at a certain time and at a fixed speed. After 4 hours, Train B leaves the same station and moves in the same direction at a uni...
A train running at a speed of 60 km/h takes 30 seconds to cross a pole. Find the approximate time taken by the train to cross a platform whose length is...
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 3:4 respectively and the ratio of time taken by them to cross a pole is 1:2 respectively. If s...
Calculate the speed of a train in meters per second if it covers a distance of 20 kilometers in 12 minutes.
Two trains are running on parallel lines in the same direction at the speed of 76 km/h and 40 km/h respectively. The faster train crosses a man in the s...
Two trains 190 metres and 140 metres in length are running towards each other on parallel tracks, one at the rate 60 km/hr and another at 48 km/hr. In h...
Two trains are running on parallel lines in the same direction at the speed of 75 km/h and 39 km/h respectively. The faster train crosses a man in the s...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 26 seconds and 16 seconds respectively. It took 18...
