Important questions about Boats And Streams. Boats And Streams MCQ questions with answers. Boats And Streams exam questions and answers for students and interviews.

1. A motorboat can go 10 miles downstream on a river in 20 min. It takes 30 min for this boat to go back at the same 10 miles. Find the speed of the current ?

Options

A : 8 m/h

B : 5 m/h

C : 7 m/h

D : 6 m/h

2. In one hour, a boat goes 12 km/hr along the stream and 6 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

Options

A : 9

B : 8

C : 7

D : 7.5

4. A boatman can row 96 km downstream in 8 hr. If the speed of the current is 4 km/hr, then find in what time he will be able to cover 8 km upstream ?

Options

A : 1.5 hrs

B : 1 hrs

C : 2.5 hrs

D : 2 hrs

5. Rajesh rows in still water with a speed of 4.5 kmph to go to a certain place and comes back. Find his average speed for the whole journey, if the river is flowing with a speed of 1.5 kmph?

Options

A : 2 kmph

B : 4 kmph

C : 6 kmph

D : 8 kmph

6. Find the speed of stream if a boat covers 36 km in downstream in 6 hours which is 3 hours less in covering the same distance in upstream?

Options

A : 1.5 kmph

B : 1 kmph

C : 0.75 kmph

D : 0.5 kmph

7. A man can row against the current three fourth of a kilometer in 15 min and returns same distance in 10 min, then ratio of his speed to that of current?

Options

A : 5:1

B : 3:1

C : 4:1

D : 2:1

8. A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current ?

Options

A : 1 kmph

B : 3.2 kmph

C : 1.5 kmph

D : 2 kmph

9. A person can row 8 1/2 km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream ?

Options

A : 1.78 kmph

B : 2.35 kmph

C : 2.83 kmph

D : 3.15 kmph

10. Amith can row a boat d km upstream and the same distance downstream in 5 hours 15 minutes. Also, he can row the boat 2d km upstream in 7 hours. How long will it take to row the same distance 2d km downstream for Amith ?

Options

A : 4 hrs 10 min

B : 3 hrs 15 min

C : 3 hrs 30 min

D : 4 hrs 1 min

1. A motorboat running upstream takes 8 hours 48 minutes 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 motorboat and speed of the water current respectively?

Options

A : 3:7

B : 7:9

C : 5:4

D : 8:3

2. Sravan drove from home to a neighboring town at the speed of 50 km/h and on his returning journey, he drove at the speed of 45 km/h and also took an hour longer to reach home. What distance did he cover?

Options

A : 350 kms

B : 450 kms

C : 900 kms

D : 700 kms

3. A Woman?s downstream swimming rate is thrice of her upstream swimming rate. If she covers 12 km upstream in 2.5 hours, what distance she will cover in 5 hours downstream?

Options

A : 72 km

B : 36 km

C : 56 km

D : 42 km

4. A boat can move 5 km/hr in still water. If the river is running at 1 km/hr, it takes it 75 min to move to a place and back. How far is the place?

Options

A : 3 kms

B : 5 kms

C : 6 kms

D : 4 kms

6. A man can row upstream at 16 km/hr and downstream at 24 km/hr. Find the speed of the current.

Options

A : 4 kmph

B : 6 kmph

C : 5 kmph

D : 3 kmph

7. A motorboat goes 8 km an hour in still water, but takes thrice as much time in going the same distance against the current than going with the current. Then find the speed of the current?

Options

A : 4 kmph

B : 6 kmph

C : 3 kmph

D : 2 kmph

8. A boat while travelling upstream covers a distance of 29 km at the speed of 6 km/h, whereas while travelling downstream it covers the same distance at a speed of 12 km/h. What is the speed of the boat in still water?

Options

A : 6 kmph

B : 8 kmph

C : 9 kmph

D : 11 kmph

9. If the boat goes 7 kms upstream in 42 min and speed of the stream is 3 kmph, then the speed of the boat in still water ?

Options

A : 14 kmph

B : 13 kmph

C : 12 kmph

D : 11 kmph

10. Equal distance is covered by a boat in upstream and in downstream in total 5 hours. Sum of speed of a boat in upstream and downstream is 40 km/hr. Speed of boat in still water is 600% more than the speed of stream. Find theapproximate distance covered by boat in downstream (in km).

Options

A : 45

B : 50

C : 55

D : 60

1. A boat takes 2 hours to travel from point A to B in still water. To find out its speed upstream, which of the following information is/are required? A. Distance between point A and B. B. Time taken to travel downstream from B to A. C. Speed of the stream of water.

Options

A : Only A and B

B : Only B and C

C : All are required

D : Any one pair of A and B, B and C or C and A is sufficient

3. 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 ?