Question: A man can swim in still water at 4.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is_________?

• 1. 3
• 2. 7.5
• 3. 2.25
• 4. 1.5

Question: A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man’s rate is________?

• 1. 1 kmph
• 2. 5 kmph
• 3. 8 kmph
• 4. 3 kmph

Question: A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?

• 1. 7 km/h
• 2. 5 km/h
• 3. 3 km/h
• 4. 2 (1/2) km/h

Question: A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?

• 1. 3
• 2. 4
• 3. 4 (1/2)
• 4. Insufficient data

Question: If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph. then the man’s rate along the current is__________?

• 1. 4.25 kmph
• 2. 6 kmph
• 3. 6.5 kmph
• 4. 8.5 kmph

Question: 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________?

• 1. 2 : 1
• 2. 3 : 1
• 3. 3 : 2
• 4. 4 : 3

Question: 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. The total time taken by him is_________?

• 1. 16 hours
• 2. 18 hours
• 3. 20 hours
• 4. 24 hours

Question: A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:_________?

• 1. 2
• 2. 3
• 3. 4
• 4. 5

Question: 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?

• 1. 40 minutes
• 2. 1 hour
• 3. 1 hr 15 min
• 4. 1 hr 30 min

Question: 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:________?

• 1. 3 1/3 km/hr
• 2. 3 1/9 km/hr
• 3. 1 ¼ km/hr
• 4. 4 2/3 km/hr