The speed of train P is 72 km/hr can cross a pole in 10 seconds. The length of train Q is 180 meters more than that of train P. If speed of train Q is 36 km/hr, then find the time taken by train Q to cross 100 meters long bridge (in seconds)?

What time it will be 25200 seconds after 1pm?

Along a circular running track, P can complete 5 rounds in 40 minutes. Time taken by R to complete 7 rounds is equal to time taken by P to complete 6 rounds. If they start running in the same direction from two different ends of a diameter, then they will meet for the first time after ____ minutes.

A car travelling at a speed of 42 km/hour can complete a journey in 12 hours. How long will it take to travel the same distance at 63 km/hour?

A train of length 200 meters is moving the speed of 90 km/hr and it overtakes another train of length 250 meters moving at the speed of 60 km/hr in the same direction. How much time will the first train take to overtake the second train?

A bus travels 120 km at 60 km/h and 180 km at 90 km/h. What is the average speed for the entire journey ?

A train 120 m long and passes a platform 180 m long in 18 seconds. Find its speed.

A train, 200 m long, is running at a speed of 45 km/hr. The time taken by the train to cross a 100 m long tunnel is

A person crosses 4200 m long bridge in 25 minutes. Find his speed in kmph:

The speeds of two brothers P and Q are in the ratio of 6:7.P takes 40 minutes more than Q to reach their home. How long does P take to reach home?

Sudha and Kavitha start moving on a bicycle towards each other at 5 am with the speeds of 14 kmph and 16 kmph respectively. They were 45 km apart at the starting point for both. At what time would they meet?