Lakshya Education MCQs

Question:  a man can row 8 kmph in still water. if the velocity of the current is 2 kmph and it takes him 2 hours to row to a place and come back. how far is the place?
Options:
A.6.5 km
B.7.5 km
C.7.4 km
D.6.4 km
Answer: Option B
Explanation :

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More Questions on This Topic :

Question 1.  a person can swim at 15/2 km/hr in stagnant water. in a river with 1.5 km/hr current, the person swims to a certain distance and comes back within 50 minutes. what is the distance between the two poin
  1.    1 km
  2.    2 km
  3.    3 km
  4.    4 km
Answer: Option C
Explanation :
Question 2.  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
Answer: Option C
Explanation :
Question 3.  a boat takes 9 hours to travel a distance upstream and takes 3 hours to travel the same distance downstream. if the speed of the boat in still water is 4 km/hr, what is the velocity of the stream ?
  1.    2 Km/hr
  2.    4 Km/hr
  3.    3 Km/hr
  4.    6 Km/hr
Answer: Option A
Explanation :
Question 4.  a man can row at 5 km/hr in still water. if the velocity of current is 1 km/hr and it takes him 1 hour to row to a place and come back, how far is the place?
  1.    2 km
  2.    2.4 km
  3.    2.4 km
  4.    4 km
Answer: Option B
Explanation :
Question 5.  a boat man goes 4 km against the current of the stream in 1hour and goes 2 km along the current in 5 minutes. how long will it take to go 21 km in stationary water?
  1.    1 Hour
  2.    1 Hour 15 Minutes
  3.    1 Hour 30 Minutes
  4.    1 Horr 45 Minutes
Answer: Option B
Explanation :
Question 6.  a boat can travel 8 km an hour in still water, but it takes thrice as much time for travelling the same distance against the current. the speed of the current (in kmph) is:
  1.    29
  2.    21
  3.    41
  4.    30
Answer: Option C
Explanation :

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