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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 9 of 95 pages
Question 81.  a boat takes 4 hours for travelling downstream from point a to point b and coming back to pint a upstream. if the velocity of the stream is 2 km/hr and the speed of the boat in still water is 4 km/hr.
  1.    6 Km
  2.    7 Km
  3.    9 Km
  4.    8 Km
 Discuss Question
Answer: Option C. -> 9 Km
Explanation :
Question 82.  a man speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. the man speed against the current is
  1.    7 km/hr
  2.    8 km/hr
  3.    9 km/hr
  4.    10 km/hr
 Discuss Question
Answer: Option D. -> 10 km/hr
Explanation :
Question 83.  speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. a man rows to a place at a distance of 105 km and comes back to the starting point. the total time taken by him is
  1.    12 hours
  2.    16 hours
  3.    20 hours
  4.    24 hours
 Discuss Question
Answer: Option D. -> 24 hours
Explanation :
Question 84.  a man speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. the man speed against the current is
  1.    7 km/hr
  2.    8 km/hr
  3.    9 km/hr
  4.    10 km/hr
 Discuss Question
Answer: Option D. -> 10 km/hr
Explanation :
Question 85.  a man speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. the man speed against the current is
  1.    7 km/hr
  2.    8 km/hr
  3.    9 km/hr
  4.    10 km/hr
 Discuss Question
Answer: Option D. -> 10 km/hr
Explanation :
Question 86.  a man speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. the man speed against the current is
  1.    7 km/hr
  2.    8 km/hr
  3.    9 km/hr
  4.    10 km/hr
 Discuss Question
Answer: Option D. -> 10 km/hr
Explanation :
Question 87.  speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. a man rows to a place at a distance of 105 km and comes back to the starting point. the total time taken by him is
  1.    12 hours
  2.    16 hours
  3.    20 hours
  4.    24 hours
 Discuss Question
Answer: Option D. -> 24 hours
Explanation :
Question 88.  a boat takes 6 hours to travel from place m to n downstream and back from n to m upstream. if the speed of the boat in still water is 4 km/hr, what is the distance between the two places ?
  1.    6 km
  2.    8 km
  3.    10 km
  4.    cannot be determined
 Discuss Question
Answer: Option D. -> cannot be determined
Explanation :
Question 89.  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.    5:8
  2.    3:8
  3.     8:5
  4.    8:3
 Discuss Question
Answer: Option D. -> 8:3
Explanation :
Question 90.  the speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. the distance travelled downstream in 12 minutes is
  1.    1.2 km
  2.    2.4 km
  3.    3.6 km
  4.    4.8 km
 Discuss Question
Answer: Option C. -> 3.6 km
Explanation :

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