A. 1.5km/hr
B. 3km/hr
C. 1km/hr
D. none
Explanation:
Let the speed of stream be x km/hr
Speed upstream = (2-x) km/hr = 2-x = 1 => x = 1 km/hr
Related Mcqs:
- The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?
A. 70, 10 kmph
B. 35, 27 kmph
C. 50, 60 kmph
D. 45, 55 kmph - The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?
A. 12 kmph
B. 13 kmph
C. 14 kmph
D. 15 kmph - A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________?
A. 2 : 1
B. 3 : 1
C. 3 : 2
D. 4 : 3 - The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to the starting point in 12 hours. The speed of the motor boat in still water is_________?
A. 6 kmph
B. 7 kmph
C. 8.5 kmph
D. 8 kmph - 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 - A boat running upstream takes 8 hours 48 min to cover a certain distance while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and the speed of water current respectively?
A. 2 : 1
B. 3 : 1
C. 8 : 3
D. Cannot be determined - A steamer goes downstream from one port to another in 4 hours, it covers the same distance upstream in 5 hours. If the speed of the stream is 2km/hr,the distance between the two parts is_______?
A. 50km
B. 60km
C. 70km
D. 80 km - The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?
A. 5km/hr
B. 8 km/hr
C. 10 km/hr
D. 15 km/hr - A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?
A. 7 km/h
B. 5 km/h
C. 3 km/h
D. 2 (1/2) km/h - A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is________?
A. 3.5km/hr
B. 5.75km/hr
C. 6.5km/hr
D. 7km/hr
