A train which is moving at an average speed of 40km/h reaches its destination on time. When its average speed reduces to 35 km/h, then it reaches its destination 15 minutes late. The distance travelled by the train, is `70\ k m` b. `80\ k m` c. `40\ k m` d. `30\ k m`

A train which is moving at an average speed of 40km/h reaches its destination on time.When its average speed reduces to 35km/h ,then it reaches its destination 15 minutes late.The distance travelled by the train,is 70backslash kmb .80backslash km c.40backslash km d.30backslash km

A train when moves at an average speed of 40 kmph, reaches its destination. When its average speed becomes 35 kmph, then it reaches its destination 15 late. Find the distance of journey is:

With an average speed of 40 km/h, a train reaches its destination in time. If it goes with an average speed of 35 km/h, it is late by 15 minutes. The length of the total journey is:

If a man travels at 30 km/h, he reaches his destination late by 10 minutes but if he travels at 42 km/h then he reaches 10 minutes earlier. The distance travelled by him is