If a train maintains an average speed of 42 km per hour, it arrives at its destination at the right time, if however, the average speed is 40 km per hour, it arrives 15 minutes late. Find the length of the journey
A man travels 600 Km by train at 80 Km/hour, 600 Km by ship at 30 Km/hour, 500 Km by aeroplane at 400 Km/hour and 300 Km by car at 60 Km/hour. What is the average speed(Km/hour) for the entire distance
Two trains running in opposite directions cross a man standing on the platform in27 seconds and 17 seconds respectively and they cross each other in 23 seconds. Theratio of their speeds is
A Train travelled a certain distance at a uniform speed. If the train had been 7 km/hr faster, it would have taken 14 hours less than the scheduled time. If the train were slower by 3 km/hr then it would have taken 10 hours more than the scheduled time. Find the distance covered by the train.
Train A which is 320 m long can cross a pole in 16 sec. If it halts 5 times each time for exactly 18 min. how many hours it will take to cover a distance of 576 km? (in hours)
A 476 m long moving train crosses a pole in 14 sec. The length of a platform is equal to the distance covered by the train in 20 sec. A man crosses the same platform in 7 m and 5 sec. What is the speed of the man in m/s
