HR Police PC · Numerical Ability and Quantitative Aptitude
Time, Speed and Distance
Trains, boats, average and relative speed problems.
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Take a full mock →Q1 · Time, Speed and Distance · EASY
A train 120 metres long passes a pole in 12 seconds. What is the speed of the train in km/h?
Q2 · Time, Speed and Distance · HARD
A boat covers 32 km upstream and 36 km downstream in 7 hours. It also covers 40 km upstream and 48 km downstream in 9 hours. What is the speed of the boat in still water?
Q3 · Time, Speed and Distance · MEDIUM
Two trains are running in opposite directions with speeds of 45 km/h and 55 km/h respectively. If the length of each train is 150 metres, in how much time will they cross each other?
Q4 · Time, Speed and Distance · MEDIUM
A man covers a certain distance at 60 km/h and returns to the starting point at 40 km/h. What is his average speed for the entire journey?
Q5 · Time, Speed and Distance · MEDIUM
A train running at a speed of 72 km/hr crosses a pole in 18 seconds. What is the length of the train?