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Quantitative Aptitude

BOATS AND STREAMS MCQs

Total Questions : 948 | Page 18 of 95 pages
Question 171.  a man can row 6 kmph in still water. when the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. how far is the place?
  1.    3.12 km
  2.    2.88 km
  3.    3 km
  4.    2 km
 Discuss Question
Answer: Option B. -> 2.88 km
Explanation :
Question 172.  a boat can move upstream at 25 kmph and downstream at 35 kmph, then the speed of the current is?
  1.    5 kmph
  2.    10 kmph
  3.    30 kmph
  4.    15 kmph
 Discuss Question
Answer: Option A. -> 5 kmph
Explanation :
Question 173.  the current of a stream runs at the rate of 4 kmph. a boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?
  1.    10 kmph
  2.    10 kmph
  3.    8 kmph
  4.    12 kmph
 Discuss Question
Answer: Option C. -> 8 kmph
Explanation :
Question 174.  the current of a stream runs at the rate of 4 kmph. a boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?
  1.    10 kmph
  2.    10 kmph
  3.    8 kmph
  4.    12 kmph
 Discuss Question
Answer: Option C. -> 8 kmph
Explanation :
Question 175.  the current of a stream runs at the rate of 4 kmph. a boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?
  1.    10 kmph
  2.    10 kmph
  3.    8 kmph
  4.    12 kmph
 Discuss Question
Answer: Option C. -> 8 kmph
Explanation :
Question 176.  a man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. find the speed of the stream?
  1.    5 kmph
  2.    6 kmph
  3.    7 kmph
  4.    8 kmph
 Discuss Question
Answer: Option D. -> 8 kmph
Explanation :
Question 177.  the speed of a boat in still water is 60kmph and the speed of the current is 20kmph. find the speed downstream and upstream?
  1.    35, 25 kmph
  2.    80, 40 kmph
  3.    40, 60 kmph
  4.    50, 55 kmph
 Discuss Question
Answer: Option B. -> 80, 40 kmph
Explanation :
Question 178.  a man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. find the speed of the stream?
  1.    5 kmph
  2.    6 kmph
  3.    7 kmph
  4.    8 kmph
 Discuss Question
Answer: Option D. -> 8 kmph
Explanation :
Question 179.  the current of a stream at 1 kmph. a motor boat goes 35 km upstream and back to the starting point in 12 hours. the speed of the motor boat in still water is?
  1.    6 kmph
  2.    7 kmph
  3.    8.5 kmph
  4.    8 kmph
 Discuss Question
Answer: Option A. -> 6 kmph
Explanation :
Question 180.  a man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. find the speed of the stream?
  1.    5 kmph
  2.    6 kmph
  3.    7 kmph
  4.    8 kmph
 Discuss Question
Answer: Option D. -> 8 kmph
Explanation :

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