Question

a train cover a certain distance at a uniform speed if the train had been 30km/h faster it would have taken 2 hour less than the schedule Time if the train were slower by 15 km/h ,it would be have taken 2 hour More than the schedule. time find the length of the journey​

Answer 1

If the train would have been 10 km/h faster, it would have taken 2 hours less than the scheduled time. And, if the train were slower by 10 km/h; it would have taken 3 hours more than the scheduled time.