Time and Distance Questions

A train has to cover a distance of 900 km in 25 hours. What should be its average speed in meters/second?

A runner starts running from a point at 6:00 am with a speed of 8 km/hr. Another racer starts from the same point at 8:30 am in the same direction with speed of 10 km/hr. At what time of the day (in p.m.) will the second racer will overtake the other runner?

The ratio of speeds of X and Y is 5:7. Y covers a distance of 420 km in 3 hours. What is the speed of X?

A missile travels at 1206 km/h. How many metres does it travel in one second?

Peter belongs to Town A and Paul belongs to Town B. They start their journeys towards each others towns following the same route at the same time. They meet somewhere on the way and continue with their journeys. After meeting Paul, Peter takes another 13.5 hrs to reach his destination while Paul takes another 6hrs to reach Peter's town. If Peter travelled at the speed of 30 kmph, what was Paul's speed in kmph?

If a boat goes upstream at a speed of 21 km/h and comes back the same distance at 28 km/h. What is the average speed (in km/hr) for the total journey?

A car moving in the morning fog passes a man walking at 4km/h. in the same direction. The man can see the car for 3 minutes and visibility is upto a distance of 130m. The speed of the car is :

A missile travels at 1116 km/h. How many metres does it travel in one second?