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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 31 of 95 pages
Question 301.  a motorboat in still water travels at a speed of 36 km/hr. it goes 56 km upstream in 1 hour 45 minutes. the time taken by it to cover the same distance down the stream will be
  1.    2 hour 25 minutes
  2.    3 hours
  3.    1 hour 24 minutes
  4.    2 hour 21 minutes
 Discuss Question
Answer: Option C. -> 1 hour 24 minutes
Explanation :
Question 302.  a motorboat in still water travels at a speed of 36 km/hr. it goes 56 km upstream in 1 hour 45 minutes. the time taken by it to cover the same distance down the stream will be
  1.    2 hour 25 minutes
  2.    3 hours
  3.    1 hour 24 minutes
  4.    2 hour 21 minutes
 Discuss Question
Answer: Option C. -> 1 hour 24 minutes
Explanation :
Question 303.  the speed of a motor boat is that of the current of water as 36 : 5. the boat goes along with the current in 5 hours 10 min. it will come back in
  1.    5 hours 50 minutes
  2.    6 hours
  3.    6 hours 50 minutes
  4.    12 hours 10 minutes
 Discuss Question
Answer: Option C. -> 6 hours 50 minutes
Explanation :
Question 304.  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 305.  a boat running downstream covers a distance of 30km in 2hours. while coming back the boat takes 6 hours to cover the same distance. if the speed of the current is half that of the boat, what is the sp
  1.    15 Km/hr
  2.    5 Km/hr
  3.    10 Km/hr
  4.    20 Km/hr
 Discuss Question
Answer: Option C. -> 10 Km/hr
Explanation :
Question 306.  muskan can row 16 kmph in still water. it takes her thrice as long to row up as to row down the river. find the difference between her speed in still water and that of the stream.
  1.    8 kmph
  2.    16 kmph
  3.    24 kmph
  4.    12 kmph
 Discuss Question
Answer: Option A. -> 8 kmph
Explanation :
Question 307.  a steamer goes downstream from one port to another in 4 hours. it covers the same distance upstream in 5 hours. if the speed of stream is 2 km/hr, the distance between the ports is
  1.    50km
  2.    60km
  3.    70km
  4.    80km
 Discuss Question
Answer: Option D. -> 80km
Explanation :
Question 308.  a man can row at 10 kmph in still water. if it takes a total of 5 hours four him to go to a place 24 km away and return, then the speed of the water current is :
  1.    2
  2.    5
  3.    4
  4.    3
 Discuss Question
Answer: Option A. -> 2
Explanation :
Question 309.  a man can row at 10 kmph in still water. if it takes a total of 5 hours four him to go to a place 24 km away and return, then the speed of the water current is :
  1.    2
  2.    5
  3.    4
  4.    3
 Discuss Question
Answer: Option A. -> 2
Explanation :
Question 310.  a steamer goes downstream from one port to another in 4 hours. it covers the same distance upstream in 5 hours. if the speed of stream is 2 km/hr, the distance between the ports is
  1.    50km
  2.    60km
  3.    70km
  4.    80km
 Discuss Question
Answer: Option D. -> 80km
Explanation :

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