Q: Raghu can row 96 km downstream in 8 hours. If the speed of the current is 3 kmph, then find in what time will be able to cover 12 km upstream?
A: 2 hrs
Q: A man can row a certain distance downstream in 2 hours and return the same distance in 6 hours. If the speed of current is 22 km/hr, find the speed of man in still water.
A: 44 km/hr
Q: A man can row three quarter of a km against the river in 11 ¼ minutes and return in 7 ½ minutes. What is the speed of the man in still water?
A: 5km/hr
Q: A motorboat can travel at 5 km/hr in still water. It travelled 90 km downstream in a river and then returned, taking altogether 100 hours. Find the rate of flow of the river.
A: 4 km/hr
Q: 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 it take to go 5 km in stationary water?
A: 1.25 hrs
Q: A man can row 30 km upstream and 44 km downstream in 10 hrs. Also, he can row 40 km upstream and 55 km downstream in 13 hrs. Find the speed of the man in still water.
A: 8 km/hr
Q: A man can row 48 km upstream and 56 km downstream in 12 hrs. Also, he can row 54 km upstream and 70 km downstream in 14 hrs. What is the speed of man in still water?
A: 10 km/hr
Q: A man can row 24 km upstream and 36 km downstream in 6 hrs. Also, he can row 36 km upstream and 24 km downstream in 6.5 hrs. Find the speed of the current.
A: 2 km/hr
Q: A man can row 8 km/hr in still water. When the river is running at 4 km/hr, it takes him$2\frac{1}{3}$hr to row to a place and come back. How far is the place?
A: 7 kms
Q: In a stream running at 2 km/hr, a motorboat goes 3 km upstream and back again to the starting point in 2 hours. Find the speed of boat in still water
A: 4 km/hr
Q: Anil can row 18 kmph in still water and he finds that it takes him twice as long to row up as to row down the river. Find the rate of the stream.
A: 6 km/hr
Q: Sumi can swim 6 kmph in still water. If the velocity of the stream be 2 kmph, the time taken by her to swim to a place 24 km upstream and back, is?
A: 9 hours
Q: A boat can cover 21 km in the direction of current and 15 km against the current in 3 hours each. Find the speed of current
A: 1 km/hr
Q: Speed of the motorboat in still water is 45 Km/hr. If the motorboat travels 80 km along the stream in 1 hour 20 min, then the time taken by it to cover the same distance against the stream will be
A: 2 hour 40 min
Q: A boat can travel 20 km downstream in 24 min. The ratio of the speed of the boat in still water to the speed of the stream is 4 : 1. How much time will the boat take to cover 15 km upstream?
A: 30 min
Q: A man can row 9 km/h in still water. It takes him twice as long as to row down. Find the rate of stream of the river?
A: 3
Q: Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. Find the total time taken by him.
A: 24 hours
Q: A boat goes 24 km upstream and 28 km downstream in 6 hours. It goes 30 km upstream and 21 km downstream in 6 hours and 30 minutes. The speed of the boat in still water is
A: 10 kmph
Q: A boat can travel 4.2 km upstream in 14 min. If the ratio of the speed of the boat in still water to the speed of the stream is 7:1. How much time will the boat take to cover 17.6 km downstream?
A: 44 min
Q: A boat can cover 25 km upstream and 42 km downstream together in 7 hours. Also it can cover 30 km upstream and 63 km downstream together in 9 hours. What is the speed of the boat in still water?
A: 13 km/hr