A. 2km/hr
B. 4km/hr
C. 6km/hr
D. 9km/hr
✅ The correct answer is option A. 2km/hr.
Boats and Streams MCQs
The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?
A. 10 kmph
B. 21 kmph
C. 8 kmph
D. 12 kmph
✅ The correct answer is option C. 8 kmph.
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
✅ The correct answer is option A. 6 kmph.
A man can row three-quarters of a kilometer against the stream in 11 ¼ minutes and return in 7 ½ minutes. The speed of the man in still water is________?
A. 2km/hr
B. 3km/hr
C. 4 km/hr
D. 5 km/hr
✅ The correct answer is option D. 5 km/hr.
A man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?
A. 8 kmph
B. 4 kmph
C. 2 kmph
D. 10 kmph
✅ The correct answer is option B. 4 kmph.
A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?
A. 20/6 hours
B. 27/2 hours
C. 30 hours
D. 30/13 hours
✅ The correct answer is option D. 30/13 hours.
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
✅ The correct answer is option C. 8 : 3.
A man can row 7 ½ kms on hour in still water and he finds that it takes hi twice as long to row down the river. The rate of stream is
A. 2.4km/hr
B. 2.5 km/hr
C. 3.4km/hr
D. 3.5km/hr
✅ The correct answer is option B. 2.5 km/hr.
The speed of a boat in still water is 60kmph and the speed of the current is 20kmph. Find the speed downstream and upstream?
A. 35, 25 kmph
B. 80, 40 kmph
C. 40, 60 kmph
D. 50, 55 kmph
✅ The correct answer is option B. 80, 40 kmph.
A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?
A. 6.24 km
B. 6 km
C. 5.76 km
D. 5.66 km
✅ The correct answer is option C. 5.76 km.