Boats and Streams - Data Intensity 1 Multiple Questions and Answers.




36.A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:___ __?
A. 3 1/3 km/hr
B. 3 1/9 km/hr
C. 1 ¼ km/hr
D. 4 2/3 km/hr

37.A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9km/hr and the speed of the current is 3km/hr, the distance A and B is:_______?
A. 4km
B. 6 km
C. 8 km
D. 12 km

38.The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is_?
A. 1.5km/hr
B. 3km/hr
C. 1km/hr
D. none

39.A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in still water and rate of current?
A. 1:02
B. 3:01
C. 2:01
D. 1:03

40.A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will he take to go 5km in stationery water?
A. 40 Minutes
B. 1 Hour
C. 1 hr 15 Min
D. 1 Hr 30 Min

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