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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 16 of 95 pages
Question 151.  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?
  1.    3.2 km
  2.    3 km
  3.    2.4 km
  4.    3.6 km
 Discuss Question
Answer: Option C. -> 2.4 km
Explanation :
Question 152.  a man can row 8 km/hr in still water. if the river is running at 3 km/hr, it takes 3 hours more in upstream than to go downstream for the same distance. how far is the place?
  1.    32.5 km
  2.    25 km
  3.    27.5 km
  4.    22.5 km
 Discuss Question
Answer: Option C. -> 27.5 km
Explanation :
Question 153.  a man can row 40 kmph in still water and the river is running at 10 kmph. if the man takes 1 hr to row to a place and back, how far is the place?
  1.    16.5 kmph
  2.    12.15 kmph
  3.    2.25 kmph
  4.    18.75 kmph
 Discuss Question
Answer: Option D. -> 18.75 kmph
Explanation :
Question 154.  a man can row 40 kmph in still water and the river is running at 10 kmph. if the man takes 1 hr to row to a place and back, how far is the place?
  1.    16.5 kmph
  2.    12.15 kmph
  3.    2.25 kmph
  4.    18.75 kmph
 Discuss Question
Answer: Option D. -> 18.75 kmph
Explanation :
Question 155.  at his usual rowing rate, rahul can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. but if he could double his usual rowing rate f
  1.    2(1/3) mph
  2.    1(1/3) mph
  3.    1(2/3) mph
  4.    2(2/3) mph
 Discuss Question
Answer: Option D. -> 2(2/3) mph
Explanation :
Question 156.  at his usual rowing rate, rahul can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. but if he could double his usual rowing rate f
  1.    2(1/3) mph
  2.    1(1/3) mph
  3.    1(2/3) mph
  4.    2(2/3) mph
 Discuss Question
Answer: Option D. -> 2(2/3) mph
Explanation :
Question 157.  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 will be able to cover 8 km upstream?
  1.    6 hr
  2.    2 hr
  3.    4 hr
  4.    1 hr
 Discuss Question
Answer: Option B. -> 2 hr
Explanation :
Question 158.  a man can row 40 kmph in still water and the river is running at 10 kmph. if the man takes 1 hr to row to a place and back, how far is the place?
  1.    16.5 kmph
  2.    12.15 kmph
  3.    2.25 kmph
  4.    18.75 kmph
 Discuss Question
Answer: Option D. -> 18.75 kmph
Explanation :
Question 159.  a boat can travel with a speed of 13 km/hr in still water. if the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
  1.    hours
  2.    3 hours
  3.    4 hours
  4.    5 hours
 Discuss Question
Answer: Option C. -> 4 hours
Explanation :
Question 160.  a boat can travel with a speed of 13 km/hr in still water. if the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
  1.    hours
  2.    3 hours
  3.    4 hours
  4.    5 hours
 Discuss Question
Answer: Option C. -> 4 hours
Explanation :

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