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Problems on Boats Stream


HomeQuantitative Aptitude⇒ Boats and Streams Questions

Q1. A man can row upstream at 10 km/hr and downstream at 16 km/hr. The speed of the stream is ?
(a) 2 Km/hr
(b) 3 Km/hr
(c) 8 Km/hr
(d) 15 Km/hr

Q2. A boat can travel 15 km/ hr in still water. If the speed of the the stream is 3 km/hr, then what will be the time taken by the boat to travel 72 km in downstream direction ?
(a) 3 hrs
(b) 4 hrs
(c) 6 hrs
(d) 12 hrs

Q3. A boat can travel 10 km/ hr in still water. If the speed of the the stream is 6 km/hr, then what will be the time taken by the boat to travel 40 km in upstream direction ?
(a) 8 hrs
(b) 9 hrs
(c) 10 hrs
(d) 12 hrs

Q4. The speed of a current is 5 km/hr and a man's speed against the current is 18 km/hr. So the man's speed with the current is ?
(a) 28 km/hr
(b) 23 km/hr
(c) 20 km/hr
(d) 16 km/hr

Q5. A boat can covers a distance of 12 km in 4 hours in downstream direction, while the same distance covers in 6 hours in upstream direction. What is the speed of the boat in still water ?
(a) 2 km/hr
(b) 2.5 km/hr
(c) 3.5 km/hr
(d) 5 km/hr



Q6. A boat can travel with a speed of 9 km/hr in still water. If the speed of the stream is 3 km/hr, then what time will be taken by boat to travel 60 km in downstream direction ?
(a) 2 hr
(b) 3 hr
(c) 5 hr
(d) 8 hr

Q7. A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is
(a) 2 mph
(b) 3 mph
(c) 3.5 mph
(d) 5 mph

Q8. The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is
(a) 2 km/hr
(b) 3 km/hr
(c) 5 km/hr
(d) 7 km/hr

Q9. A boat is rowed downstream at 16.5 km/hr and upstream at 9.5 km/hr. The speed of the stream is
(a) 3.5 km/hr
(b) 4 km/hr
(c) 5.3 km/hr
(d) 7.8 km/hr

Q10. A boatman goes 3km against the current of stream in 1hr and goes 2km along the current in 20 minutes. How long will he take to go 6km in stationary water
(a) 1.5 hr
(b) 1(1/3) hr
(c) 2.5 hr
(d) 2(1/3) hr


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