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 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

2. 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

3. 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

4. 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

2. A man went downstream for 28 km in a motor boat and immediately returned. It took the man twice as long to make the return trip. If the speed of the river flow were twice as high, the trip downstream and back would take 672 minutes. Find the speed of the boat in still water and the speed of the river flow.

Options

A : 12 km/hr, 3 km/hr

B : 9 km/hr, 3 km/hr

C : 8 km/hr, 2 km/hr

D : 9 km/hr, 6 km/hr

3. If sum of upstream and downstream speed of a boat is 82 kmph, and the boat travels 105 km. upstream in 3 hr, Find the time taken by boat to cover 126 km downstream.

Options

A : 2.8 hrs

B : 2.7 hrs

C : 2.6 hrs

D : 2.5 hrs

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. A motorboat takes half time to cover a certain distance downstream than upstream. What is the ratio between rate of current and rate of boat in still water?