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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 19 of 95 pages
Question 181.  a boatman goes 2 km against the current of the stream in 2 hour and goes 1 km along the current in 20 minutes. how long will it take to go 5 km in stationary water?
  1.    2 hr 30 min
  2.    2 hr
  3.    4 hr
  4.    1 hr 15 min
 Discuss Question
Answer: Option A. -> 2 hr 30 min
Explanation :
Question 182.  a man rows to a place 48 km distant and come 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:
  1.    1 km/hr. 
  2.    2 km/hr
  3.    1.5 km/hr. 
  4.    2.5 km/hr.
 Discuss Question
Answer: Option A. -> 1 km/hr. 
Explanation :
Question 183.  a boat covers a certain distance downstream in 1 hour, while it comes back in 11⁄2 hours. if the speed of the stream be 3 kmph, what is the speed of the boat in still water?
  1.    14 kmph
  2.    15 kmph
  3.    13 kmph
  4.    12 kmph
 Discuss Question
Answer: Option B. -> 15 kmph
Explanation :
Question 184.  the speed of a boat in still water in 22 km/hr and the rate of current is 4 km/hr. the distance travelled downstream in 24 minutes is:
  1.    9.4 km
  2.    10.2 km
  3.    10.4 km
  4.    9.2 km
 Discuss Question
Answer: Option C. -> 10.4 km
Explanation :
Question 185.  a boat covers a certain distance downstream in 1 hour, while it comes back in 11⁄2 hours. if the speed of the stream be 3 kmph, what is the speed of the boat in still water?
  1.    14 kmph
  2.    15 kmph
  3.    13 kmph
  4.    12 kmph
 Discuss Question
Answer: Option B. -> 15 kmph
Explanation :
Question 186.  the speed of a boat in still water in 22 km/hr and the rate of current is 4 km/hr. the distance travelled downstream in 24 minutes is:
  1.    9.4 km
  2.    10.2 km
  3.    10.4 km
  4.    9.2 km
 Discuss Question
Answer: Option C. -> 10.4 km
Explanation :
Question 187.  a motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. the speed of the stream (in km/hr) is:
  1.    10
  2.    6
  3.    5
  4.    4
 Discuss Question
Answer: Option C. -> 5
Explanation :
Question 188.  a boatman goes 2 km against the current of the stream in 2 hour and goes 1 km along the current in 20 minutes. how long will it take to go 5 km in stationary water?
  1.    2 hr 30 min
  2.    2 hr
  3.    4 hr
  4.    1 hr 15 min
 Discuss Question
Answer: Option A. -> 2 hr 30 min
Explanation :
Question 189.  the speed of a boat in still water in 22 km/hr and the rate of current is 4 km/hr. the distance travelled downstream in 24 minutes is:
  1.    9.4 km
  2.    10.2 km
  3.    10.4 km
  4.    9.2 km
 Discuss Question
Answer: Option C. -> 10.4 km
Explanation :
Question 190.  a man rows to a place 48 km distant and come 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:
  1.    1 km/hr. 
  2.    2 km/hr
  3.    1.5 km/hr. 
  4.    2.5 km/hr.
 Discuss Question
Answer: Option A. -> 1 km/hr. 
Explanation :

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