WB Police PC · Elementary Mathematics
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Time & Distance
Speed, trains, boats and streams.
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Take a full mock →Q1 · Time & Distance · EASY
A train travels at a speed of 60 km/h. How much time will it take to cover a distance of 240 km?
Q2 · Time & Distance · MEDIUM
A boat travels downstream at 18 km/h and upstream at 12 km/h. What is the speed of the boat in still water?
Q3 · Time & Distance · MEDIUM
Two trains of lengths 120 m and 180 m are running in opposite directions at speeds of 45 km/h and 36 km/h respectively. In how many seconds will they completely pass each other?
Q4 · Time & Distance · HARD
A man can row 40 km downstream in 4 hours and the same distance upstream in 8 hours. What is the speed of the current?
Q5 · Time & Distance · MEDIUM
A train 150 meters long crosses a platform 250 meters long in 20 seconds. What is the speed of the train in km/h?