Dr. K.C. Mehta investigated the life cycle of cereal rusts in India during the first half of 20th century.
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 36 seconds and 21 seconds respectively. It took 27...
Train 'P' starts its journey from a point at 6:00 pm, traveling at an average speed of 48 km/h. Train 'Q' departs from the same point towards Train 'P' ...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 8 seconds. Find the time taken by the train ‘A’ to cross a train ‘B’ ...
Train A running at speed of 81 km/hr crosses a platform having twice the length of train in 12 sec. Train B whose length is 360m crosses same platform i...
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...
A 160 m long train crosses another 290 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 9 seconds, w...
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...
Train ‘A’ travelling with a speed of 75 km/h can cross a pole in 15 seconds. If the length of train ‘B’ is 24% less than that of train ‘A’ a...
Two trains of same length are running in parallel tracks in the same direction with speed 50 km/hr and 120 km/hr respectively. The latter completely cro...
Train A running at a speed of 46 km/hr crosses train B in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
