Boats And Streams(Quantitative Aptitude ) Questions and answers for exam Preparation

Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 90 of 95 pages

Question 891. A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?

2.4 km
2.5 km
3 km
3.6 km

Discuss Question

Answer: Option A. -> 2.4 km

Question 892. . What is the speed of the boat in still water?
I. The speed downstream is 12 kmph.
II. The speed upstream is 4 kmph.
III. In a to and fro journey between two points, the average speed of the boat was 6 kmph.

I and II only
All I, II and III
III, and either I or II
Any two of the three

Discuss Question

Answer: Option D. -> Any two of the three

Question 893. . What is the speed of the boat in still water?
I. The boat covers a distance of 48 kms in 6 hours while running upstream.
II. The boat covers the same distance in 4 hours while running downstream.

I alone sufficient while II alone not sufficient to answer
II alone sufficient while I alone not sufficient to answer
Either I or II alone sufficient to answer
Both I and II are necessary to answer

Discuss Question

Answer: Option D. -> Both I and II are necessary to answer

Question 894. . What is the speed of the boat in still water?
I.It takes 2 hours to cover the distance between A and B downstream.
II. It takes 4 hours to cover the distance between A and B upstream.

I alone sufficient while II alone not sufficient to answer
II alone sufficient while I alone not sufficient to answer
Either I or II alone sufficient to answer
Both I and II are not sufficient to answer

Discuss Question

Answer: Option D. -> Both I and II are not sufficient to answer

Question 895. .
A boat covers a certain distance downstream in 1 hour, while it comes back in 1-1/2 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

12 kmph
13 kmph
14 kmph
15 kmph

Discuss Question

Answer: Option D. -> 15 kmph

Question 896. . A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?

2.4 km
2.5 km
3 km
3.6 km

Discuss Question

Answer: Option A. -> 2.4 km

Question 897. . A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is:

2 mph
2.5 mph
3 mph
4 mph

Discuss Question

Answer: Option A. -> 2 mph

Question 898. .
A boat covers a certain distance downstream in 1 hour, while it comes back in 1-1/2 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

12 kmph
13 kmph
14 kmph
15 kmph

Discuss Question

Answer: Option D. -> 15 kmph

Question 899. . What is the speed of the boat in still water?
I.It takes 2 hours to cover the distance between A and B downstream.
II. It takes 4 hours to cover the distance between A and B upstream.

I alone sufficient while II alone not sufficient to answer
II alone sufficient while I alone not sufficient to answer
Either I or II alone sufficient to answer
Both I and II are not sufficient to answer

Discuss Question

Answer: Option D. -> Both I and II are not sufficient to answer

Question 900. . A boat takes a total time of three hours to travel downstream from P and Q and upstream back from Q to P. What is the speed of the boat in still water?
I. The speed of the river current is 1 km per hour.
II. The distance between P and Q is 4 km.