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The 17th International Earth Sciences Olympiad (IESO) 2024 was held in Beijing, China, where Indian students won several medals.
A train moves at 90 km/h to arrive at its station on time. If it moves at 100 km/h, it will arrive 15 minutes earlier. Find the t...
Train A running at a speed of 48 km/hr crosses train B in 20 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
If the ratio of speed of train C and Train D is 5:8 and takes 20 seconds to completely cross each other in same direction. If the ratio of their length ...
Train A departs from a station at a speed of 195 km/h, 16 hours following the departure of Train B. It takes Train A 10 hours to catch up to Train B. Ca...
Train X, traveling at a speed of 54 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 90 km/hr, in 't' seconds. If...
Two trains 175 metres and 125 metres in length are running towards each other on parallel tracks, one at the rate 55 km/hr and another at 35 km/hr. In h...
A person sees a train passing over 6 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 5 mins. What is th...
Two cars start from a place with a speed of 65 km/hr at an interval of 15 minutes. A man coming from the opposite direction towards the place meets the ...
Two trains ‘A’ and ‘B’ started from station ‘P’ and ‘Q’ towards station ‘Q’ and ‘P’ respectively at the same time. When they met...
How many seconds will a train 66 m in length, travelling at the rate of 43 km an hour, take to pass another train 86 m long, proceeding in the same dire...