Speed, Time & Distance — practice questions, page 7
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QuestionA boat covers 36 km downstream in 3 hours and 24 km upstream in 3 hours. Find the speed of the…QuestionRavi rides his scooter from home to the farm at 36 km/h and returns on the same road at 45 km/h.…QuestionA motor launch covers 42 km downstream in 3 hours and 30 km upstream in 3 hours. What is its speed…QuestionA fisherman on the Hooghly rows at 19 km/h with the current and at 12 km/h against it. What is the…QuestionA boat's speed in still water is 9 km/h. It takes twice as long to row a certain distance upstream…QuestionTwo trains, 140 m and 160 m long, run on parallel tracks in opposite directions at 50 km/h and 58…QuestionA train running at 72 km/h crosses a platform 250 m long in 20 seconds. What is the length of the…QuestionA boat covers 20 km downstream in 2 hours and 12 km upstream in 2 hours. Find the speed of the…QuestionA boatman rows at 10 km/h in still water and the stream flows at 4 km/h. How long will he take to…QuestionA man can row at 6 km/h in still water. He takes twice as long to row a certain distance upstream…QuestionA train 200 metres long running at 90 km/h crosses a platform 400 metres long. How many seconds…QuestionA 100 m train at 45 km/h and a 140 m train at 63 km/h run towards each other on parallel lines.…QuestionRowing downstream, Mohan moves at 20 km/h; upstream he manages only 12 km/h. What is his rowing…QuestionA person travels the first 100 km at 50 km/h and the next 120 km at 60 km/h. What is the average…QuestionA train crosses a telegraph post in 12 seconds and a 330 m long platform in 27 seconds. What is…QuestionA train overtakes two persons walking along the track in the same direction as the train at 2 km/h…QuestionDelhi and Agra are 220 km apart. A train leaves Delhi for Agra at 7 a.m. at 40 km/h. Another…QuestionStations P and Q are 330 km apart. A train starts from P at 8 a.m. towards Q at 60 km/h, and…QuestionA 180 m long train running at 72 km/h passes completely through a tunnel in 30 seconds. How long…QuestionA train has 24 coaches, each 15 m long, and an engine 20 m long (ignore gaps). Running at 60 km/h,…QuestionTwo trains run in the same direction at 72 km/h and 54 km/h. The faster train passes a man sitting…QuestionA train leaves X at 5 a.m. and reaches Y at 9 a.m. Another train leaves Y at 7 a.m. and reaches X…QuestionA 250 m long train running at 80 km/h crosses another train running at 64 km/h in the opposite…QuestionA 150 m long train passes a cyclist riding at 9 km/h towards it in 6 seconds. What is the speed of…QuestionA 200 m long train running at 72 km/h enters a 1 km long tunnel. For how long is the entire train…
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