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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 13 of 95 pages
Question 121.  a boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream , it takes 4 hours. what is he speed of the boat in still water ?
  1.    4 km/hr
  2.    6 km/hr
  3.    8 km/hr
  4.    Data inadequate
 Discuss Question
Answer: Option B. -> 6 km/hr
Explanation :
Question 122.  a boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream , it takes 4 hours. what is he speed of the boat in still water ?
  1.    4 km/hr
  2.    6 km/hr
  3.    8 km/hr
  4.    Data inadequate
 Discuss Question
Answer: Option B. -> 6 km/hr
Explanation :
Question 123.  a boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream , it takes 4 hours. what is he speed of the boat in still water ?
  1.    4 km/hr
  2.    6 km/hr
  3.    8 km/hr
  4.    Data inadequate
 Discuss Question
Answer: Option B. -> 6 km/hr
Explanation :
Question 124.  in a stream running a 2 mph , a motorboat goes 6 km upstream and back again to he starting point in 33 minutes . find the speed of the motorboat in still water .
  1.    22 kmph
  2.    23 kmph
  3.    24 kmph
  4.    25 kmph
 Discuss Question
Answer: Option A. -> 22 kmph
Explanation :
Question 125.  a man can row upstream at 8 kmph and downstream at 13 kmph . the speed of the stream is :
  1.    2.5 kmph
  2.    4.2 kmph
  3.    5 kmph
  4.    10.5 kmph
 Discuss Question
Answer: Option A. -> 2.5 kmph
Explanation :
Question 126.  a boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream , it takes 4 hours. what is he speed of the boat in still water ?
  1.    4 km/hr
  2.    6 km/hr
  3.    8 km/hr
  4.    Data inadequate
 Discuss Question
Answer: Option B. -> 6 km/hr
Explanation :
Question 127.  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 128.  a man takes 3 hours 45 minutes to row a boat 15 km. downstream of a river and 2 hours 30 minutes to cover a distance of 5 km upstream. find the speed of the river current in km/hr.
  1.    0.5 km/hr
  2.    0.75 km/hr
  3.    1 km/hr
  4.    1.25 km/hr
 Discuss Question
Answer: Option C. -> 1 km/hr
Explanation :
Question 129.  a man can row upstream at 7 kmph and downstream at 10 kmph. find man's rate in still water and the rate of current .
  1.    1 km/hr
  2.     1.5 km/hr
  3.    2 m/hr
  4.    2.5 km/hr
 Discuss Question
Answer: Option B. ->  1.5 km/hr
Explanation :
Question 130.  a man can row upstream at 7 kmph and downstream at 10 kmph. find man's rate in still water and the rate of current .
  1.    1 km/hr
  2.     1.5 km/hr
  3.    2 m/hr
  4.    2.5 km/hr
 Discuss Question
Answer: Option B. ->  1.5 km/hr
Explanation :

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