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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 14 of 95 pages
Question 131.  a man can row 18 mph in still water it takes him thrice as long to row up as to row down the river . find the rate of stream.
  1.    9 km/hr
  2.    10 km/hr
  3.    11 km/hr
  4.    12 km/hr
 Discuss Question
Answer: Option A. -> 9 km/hr
Explanation :
Question 132.  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 133.  a man can row 6 km/hr in still water. if the river is running at 2 km/hr, it takes 3 hours more in upstream than to go downstream for the same distance. how far is the place?
  1.    24 km
  2.     28 km
  3.    36 km
  4.    None of these
 Discuss Question
Answer: Option A. -> 24 km
Explanation :
Question 134.  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 135.  a man can row 6 km/hr in still water. if the river is running at 2 km/hr, it takes 3 hours more in upstream than to go downstream for the same distance. how far is the place?
  1.    24 km
  2.     28 km
  3.    36 km
  4.    None of these
 Discuss Question
Answer: Option A. -> 24 km
Explanation :
Question 136.  a man rows downstream 33 km and upstream 27 km taking 3 hrs each time. what is the velocity of the current?
  1.    3
  2.    5
  3.    1
  4.    1.5
 Discuss Question
Answer: Option C. -> 1
Explanation :
Question 137.  a man rows downstream 33 km and upstream 27 km taking 3 hrs each time. what is the velocity of the current?
  1.    3
  2.    5
  3.    1
  4.    1.5
 Discuss Question
Answer: Option C. -> 1
Explanation :
Question 138.  speed of a boat in standing water is 10 kmph and the speed of the stream is 2 kmph. a man rows to a place at a distance of 120 km and comes back to the starting point. the total time taken by him is:
  1.    20
  2.    24
  3.    25
  4.    50
 Discuss Question
Answer: Option A. -> 20
Explanation :
Question 139.  a boat 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 boat and
  1.    5 : 6
  2.    6 : 5
  3.    8 : 3
  4.    3 : 8
 Discuss Question
Answer: Option C. -> 8 : 3
Explanation :
Question 140.  a man can row 40km upstream and 55km downstream in 13 hours also, he can row 30km upstream and 44km downstream in 10 hours. find the speed of the man in still water and the speed of the current.
  1.    4, 3
  2.    5, 4
  3.    8, 3
  4.    9, 5
 Discuss Question
Answer: Option C. -> 8, 3
Explanation :

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