Boats and Streams Online Test 1

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Question : 1/20 20 : 00

In a river, a man takes 3 hours in rowing 3 km upstream or 15 km downstream. What is the speed of the current ?

A. 2 kmph

B. 4 kmph

C. 6 kmph

D. 9 kmph

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

A. 6 kmph

B. 7.5 kmph

C. 8 kmph

D. 6.8 kmph

A boat goes 6 km in an hour in still water. It takes thrice as much time in covering the same distance against the current. Speed of the current is :

A. 2 kmph

B. 3 kmph

C. 4 kmph

D. 5 kmph

A boatman goes 2 km against the current of stream in 40 minutes and returns to the same spot in 30 minutes. What is the rate of rowing in still water ?

A. 5 kmph

B. 6 kmph

C. 7 kmph

D. 9 kmph

A boat is rowed downstream at 15.5 kmph and upstream at 8.5 kmph. The speed of the stream is :

A. 3.5 kmph

B. 5.75 kmph

C. 6.5 kmph

D. 7 kmph

A boat running downstream covers a distance of 10 km in 2 hours. While coming back upstream the boat takes 5 hours to cover the same distance. If the speed of the current is 1.5 kmph, what is the speed of the boat in still water ?

A. 2.5 kmph

B. 3.5 kmph

C. 4.5 kmph

D. None of these

The speed of a motor boat is that of the current of water as 36 : 5. The boat goes along with the current in 5 hours 10 min. It will come back in :

A. 5 hrs 50 min

B. 6 hrs

C. 6 hrs 50 min

D. 12 hrs 10 min

A fisherman can row 2 km against the stream in 20 minutes and return in 15 minutes. What is the speed of the current ?

A. 1 kmph

B. 2 kmph

C. 3 kmph

D. None of these

A steamer goes downstream and covers the distance between two ports in 4 hours while it covers the same distance upstream in 5 hours. If the speed of the stream be 2 kmph, the speed of the steamer in still water is :

A. 16 kmph

B. 18 kmph

C. 24 kmph

D. 36 kmph

A boat running downstream covers 24 kms in 4 hours, while for covering the same distance upstream it takes 6 hours.
What is the speed of the boat in still water ?

A. 3.5 kmph

B. 5 kmph

C. 5.5 kmph

D. 6 kmph

A man can row at 5 kmph in still water. If the river is running at 1 kmph, it takes him 75 minutes to row to a place and back. How far is the palce ?

A. 2.5 km

B. 3 km

C. 4 km

D. 5 km

A boat can row 1 km with stream in 10 minutes and 1 km against stream in 20 minutes. What is the speed of the boat in still water ?

A. 1.5 kmph

B. 3 kmph

C. 3.4 kmph

D. 4.5 kmph

A boat goes 24 km upstream and 28 km downstream in 6 hours. It goes 30 km upstream and 21 km downstream in 6 hr and 30 min. The speed of the boat in still water is :

A. 4 kmph

B. 6 kmph

C. 10 kmph

D. 14 kmph

A man rows to a place 48 km distant and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is :

A. 0.5 kmph

B. 1 kmph

C. 2.5 kmph

D. 3 kmph

A boat goes 24 km downstream in 10 hours. It takes 2 hours more to cover the same distance against the stream. What is the speed of the boat in still water ?

A. 2 kmph

B. 2.2 kmph

C. 2.8 kmph

D. 4 kmph

A boatman goes 2 km against the current of stream in 1 hour and goes 1 km along the current in 10 minutes. How long will he take to go 5 km in stationary water ?

A. 40 minutes

B. 1 hour

C. 1 hr 15 min

D. 1 hr 30 min

The current of a stream runs at 1 kmph. A motor boat goes 35 km upstream and back again to the starting point in 12 hours. The speed of the motorboat in still water is

A. 6 kmph

B. 7 kmph

C. 7.5 kmph

D. 8 kmph

The speed of a boat in still water is 15 kmph. It can go 30 km upstream and return downstream to the original point in
4 hrs 30 min. The speed of the stream is :

A. 5 kmph

B. 8 kmph

C. 10 kmph

D. 15 kmph

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 2 kmph, the distance between the two ports is

A. 50 km

B. 60 km

C. 70 km

D. 80 km

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Boats and Streams Online Test 1

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