Lakshya Education MCQs

  1. Topics
  2. Quantitative Aptitude
  3. Boats And Streams Mcqs
Question:  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
Options:
A.5 : 6
B.6 : 5
C.8 : 3
D.3 : 8
Answer: Option C
Explanation :

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Question 1.  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
Answer: Option A
Explanation :
Question 2.  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
Answer: Option B
Explanation :
Question 3.  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
Answer: Option A
Explanation :
Question 4.  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
Answer: Option C
Explanation :
Question 5.  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
Answer: Option A
Explanation :
Question 6.  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
Answer: Option C
Explanation :

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