A man walking at a speed of 5 km / h passes a bridge in 15 minutes. What is the length of the bridge (in meters)?

A cyclist covers a distance of 170 meters in 17 seconds. The time taken by the cyclist to cover the distance of 6 km, shall be how much?

During a journey of 200 Km, the average speed of a car is 125 km/h. But if for the first 100 km, the driver increases its earlier average speed by 20% and then decreases it to its (2/3)rd for next 100 km. What will be the new average speed?

Two men P and Q start together from place A at 3 km/h and 3.75 km/h respectively for place B. Q reaches half an hour before P. What is the distance that each one has covered ?

A boy is running at a speed of $p$ km/h to cover a distance of 1 km but due to slippery ground his speed is reduced by $q$ km/h ($p > q$). If he takes $r$ hours to cover the distance, which of the following condition is true:

How many minutes does Siddharth take to cover a distance of 500 m, If he runs at a speed of 15 km/hr?

A train take 15 second to cross a pole. If the speed of the train is 60 km/hr, then length of the train is: