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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 35 of 95 pages
Question 341.  if downstream speed of a boat is 16 kmph and its upstream speed is 11 kmph, what is the speed of stream?
  1.    1.5 kmph
  2.    2 kmph
  3.    3 kmph
  4.    2.5 kmph
 Discuss Question
Answer: Option D. -> 2.5 kmph
Explanation :
Question 342.  a man rows 8 km/h in still water. if the river is running at 2 km/h, it takes 32 min to row to a place and back. how far is the place?
  1.    1.5 km
  2.    2.5 km
  3.    2 km
  4.    3 km
 Discuss Question
Answer: Option C. -> 2 km
Explanation :
Question 343.  a boat can travel with a speed of 13 km/hr in still water. if the speed of stream is 4 km/hr in the same direction, time taken by boat to go 63 km in opposite direction is:
  1.    8 hrs
  2.    4 hrs
  3.    7 hrs
  4.    9 hrs
 Discuss Question
Answer: Option C. -> 7 hrs
Explanation :
Question 344.  a boat can travel with a speed of 13 km/hr in still water. if the speed of stream is 4 km/hr in the same direction, time taken by boat to go 63 km in opposite direction is:
  1.    8 hrs
  2.    4 hrs
  3.    7 hrs
  4.    9 hrs
 Discuss Question
Answer: Option C. -> 7 hrs
Explanation :
Question 345.  a man rows downstream 32 km and 14 km upstream, and he takes 6 hours to cover each distance. what is speed of the current?
  1.    0.5 km/hr
  2.    1 km/hr
  3.    1.5 km/hr
  4.    2 km/hr
 Discuss Question
Answer: Option C. -> 1.5 km/hr
Explanation :
Question 346.  if downstream speed of a boat is 16 kmph and its upstream speed is 11 kmph, what is the speed of stream?
  1.    1.5 kmph
  2.    2 kmph
  3.    3 kmph
  4.    2.5 kmph
 Discuss Question
Answer: Option D. -> 2.5 kmph
Explanation :
Question 347.  a man rows 8 km/h in still water. if the river is running at 2 km/h, it takes 32 min to row to a place and back. how far is the place?
  1.    1.5 km
  2.    2.5 km
  3.    2 km
  4.    3 km
 Discuss Question
Answer: Option C. -> 2 km
Explanation :
Question 348.  a sailor sails a distance of 48 km along the flow of a river in 8 h. if it takes 12 h to return the same distance, then the speed of the flow of the river is
  1.    0.5 km/hr
  2.    1 km/hr
  3.    1.5 km/hr 
  4.    1.5 km/hr
 Discuss Question
Answer: Option B. -> 1 km/hr
Explanation :
Question 349.  a man takes 3 hours 45 minutes to row a boat 22.5 km downstream of a river and 2 hours 30 minutes to cover a distance of 10 km up stream. find the speed of the river current in km/hr.
  1.    1 km/hr
  2.    2 km/hr
  3.    3 km/hr
  4.    4 km/hr
 Discuss Question
Answer: Option A. -> 1 km/hr
Explanation :
Question 350.  speeds of a boat along and against the current are 12 km/hr and 8 km/hr respectively. then the speed of the current in km/hr is
  1.    5 km/hr
  2.    4 km/hr
  3.    3 km/hr
  4.    2 km/hr
 Discuss Question
Answer: Option D. -> 2 km/hr
Explanation :

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