Hima Das runs at a speed of 4 m/s. If she covers a circular track of 70 m radius, then find the time taken by her to complete the circular track.

Two trains P and Q, travelling in opposite directions, cross each other in 45 seconds. The speed of train P is 240 km/h, while the speed of train Q is 200 m/s. The length of train P is 1500 metres. Find the length of train Q.

The speed of a bus is 54 km/hr. The distance covered by the bus in 10 seconds is:

A man travelled a distance of 1200 km in 16 hours. He travelled partly by car at a speed of 40 km/h, and partly by train at a speed of 80 km/h. What is the distance travelled by car?

A boy covers a distance of 640 meters by a car in 32 seconds. Find the speed of the car.

The speed of a bus is 72 km/hr. The distance covered by the bus in 5 seconds is:

Two trains, each 100 m long, moving in opposite directions, cross each other in 12 sec. If one is moving twice as fast as the other, then the speed of the faster train is ______.

Sachin can reach his destination at a speed of 35 km/h in 5 hours. He travelled at a speed of 30 km/h for 5 hours and rest journey with a speed of 10 km/h. Find by what per cent his total time of the journey has been increased.

A 75 metre long train is moving at 20 kmph. It will cross a man standing on the platfrom in:

Train Q completes a certain distance in 23 hours. It covers (3/5)th of the distance with 64 km/h and the rest of the distance with speed 80 km/h. find the total journey of the train.

A 130 m long train crosses a pole in 20 seconds. Find the time taken by the train to cover a distance of 195 m.

Y and Z starts moving in opposite direction from the point A at a speed of 12 m/s and 20 m/s. After 20 minutes how far would they be from each other?

Two bus P and Q start simultaneously from a certain place at the speed of 30 km/hr and 33 km/hr respectively. The bus Q reaches the destination 3 hr earlier than P. What is distance between the starting point and destination?

A 120m long train crosses a 280m long tunnel in 20 seconds. Find the time taken by train to cross a pole standing on a platform of length 500m.

If length of a train is 165 m and speed of the train is 54kmph then find the time taken by this train to cross the pole ?

A train traveling at a speed of 68 km/h crosses a man walking at a speed of 6 km/h in the same direction in 27 sec. If the train crosses a car coming from the opposite direction in 9 sec, then what is the speed of the car?

The speed of 20 m/sec is same as:

Raman travels a certain distance at 56 km/h and comes back at 42 km/h. How much time will he take to travel 216 km at a speed equal to the average speed of his journey?

A student covers 30 km at 10 kmph, 36 km at 18 kmph and 24 km of the remaining distance at 6 kmph. What is the total time taken to travel?

Karen travel at a speed of 25 km/h. If he has increased his speed by 15 km/h, he would have covered 90 km more in the same time. Find the actual distance travelled.