Practice Questions on Boat and Stream

01) The speed of the current is 5km/h. A motorboat goes 10 km upstream and back again to starting point in min, the speed (in km/h)of the motorboat in still water

          a) 20

          b) 26

          c) 25

          d) 28

02) The current of a stream runs at the rate of 4km an hour. A boat goes 6km and comes back to the starting point in 2 hours. The speed of the boat in still water is

          a) 6 km/h

          b) 8 km/h

          c) 7.5 km/h

          d) 6.8 km/h

03) A man rows 750 m in 600 seconds against the stream and returns in 7 ½ minutes. Its rowing speed in still water is (in km/hr).

          a) 5.5

          b) 5.75

          c) 5

          d) 5.25

04) A boat goes 75km upstream in 3 hour and 60km downstream in 1.5 hours. The speed of the boat in still water is:

          a) 32.5 km/h

          b) 30 km/h

          c) 65 km/h

          d) 60 km/h

05) A boat moves downstream at the rate of 8 km/h and upstream at 4 km/h. The speed of the boat in still waters is:

          a) 4.5 km/h

          b) 5km/h

          c) 6km/h

          d) 6.4 km/h

06) A boat goes a certain distance at 30km/h and comes back the same distance at 60km/h. What is the average speed (in km/hr) for the total journey?

          a) 45

          b) 50

          c) 40

          d) 35

07)  A boat travels 32 km/h downstream in 4hours and 24 km upstream in 6 hours. What is the speed (in km/hr) of boat in still water

          a) 2

          b) 4

          c) 6

          d) 8

08) A boat can row 35 km. upstream in 7 hr and the same distance downstream in 5 hr. What is the speed (in km/hr) of the boat in still water?

          a) 5

          b) 7

          c) 9

          d) 6

09) The speed of a stream is 3km/hr. A boat goes 24 km and comes back to the starting point in 6 hours. What is the speed (in km/hr.) of the boat in still water?

          a) 4

          b) 9

          c) 8

          d) 12

10) A boat goes8km upstream and 12km downstream in 7 hours. It goes  9km upstream and 18km downstream in 9 hr. what is the speed (in km/hr) of the boat in still water?

          a) 5

          b) 4

          c) 2

          d) 3