Speed, Time and Distance Questions | Examsbook

B walks at a speed of 9 km/h and after 9 hours of its start, C follows him on his cycle at a speed of 18 km/h. At what distance from the starting point will C catch B?

A train is moving with an uniform speed. It crosses a railway platform 120 metres long in 12 seconds and another platform 170 metres long in 16 seconds. The speed of the train per second is—

A train can cross a platform of equal length in 5 minutes. It can cross a man running in the direction of the train with the speed of 2m/s in 7 minutes. Find the speed of the train(in km/h).

Ram walks a certain distance and ride back taking a total time of 37 minutes. Ram could walk both ways in 55 minutes. How long would it take Ram to ride both ways?

A and B start at the same time with speed of 40 km/hr and 50 km/hr respectively. If in covering the journey A takes 15 minutes longer than B, the total distance of the journey is : 

A man can reach a certain place in 30 hours. If he reduces his speed by $${1\over15}$$, he goes 10 km less in that time. Find his speed per hour.

P, Q and R start at the same time in the same direction to run around a circular stadium. P completes a round in 252 seconds, Q in 308 seconds and R in 198 seconds, all starting at the same point. After what time will they next meet at the starting point again? 

A woman walks a certain distance and rides back in 4 hours 30 minutes. She could ride both ways in 3 hours. The time required by the woman to walk both ways is

A walks at a uniform rate of 4 km an hour; and 4 hours after his start, B bicycles after him at the uniform rate of 10 km an hour. How far from the starting point will B catch A ?

A person, who can walk down a hill at the rate of $$4{1\over2}$$km/hour and up the hill at the rate of 3 km/hour, ascends and comes down to his starting point in 5 hours. How far did he ascend?