Aptitude Question ID : 95716
A man rows 750 m in 600 seconds against the stream and returns in minutes. Its rowing speed in still water is (in km/hr) : [A]5 [B]5.25 [C]5.5 [D]5.75 Show Answer 5.25
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A man swims downstream a distance of 15 km in 1 hour. If the speed of the current is 5 km/hr, the time taken by the man to swim the same distance upstream is :
A man swims downstream a distance of 15 km in 1 hour. If the speed of the current is 5 km/hr, the time taken by the man to swim the same distance upstream is : [A]1 hour 30 minutes [B]45 minutes [C]2 hour 30 minutes [D]3 hours Show Answer 3 hours Let the speed of […]
A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is :
A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is : [A]3 : 1 [B]1 : 2 [C]4 : 3 [D]2 : 1 Show Answer 3 : 1 Let the speed of boat in still […]
The current of a stream runs at the rate of 4 km an hour. A boat goes 6 km and comes back to the starting point in 2 hours. The speed of the boat in still water is :
The current of a stream runs at the rate of 4 km an hour. A boat goes 6 km and comes back to the starting point in 2 hours. The speed of the boat in still water is : [A]6 km/hr [B]6.8 km/hr [C]7.5 km/hr [D]8 km/hr Show Answer 8 km/hr Let the speed of […]
Aptitude Question ID : 95704
A man rows down a river 15 km in 3 hours with the stream and returns in . The rate at which he rows in still water is : [A]4.5 km/hr [B]3.5 km/hr [C]2.5 km/hr [D]1.5 km/hr Show Answer 3.5 km/hr Let speed of person in still water = x km/hr and speed of current […]
A man rows upstream 36 km and downstream 48 km taking 6 hrs each time. The speed of the current is :
A man rows upstream 36 km and downstream 48 km taking 6 hrs each time. The speed of the current is : [A]0.5 km/hr [B]1 km/hr [C]1.5 km/hr [D]2 km/hr Show Answer 1 km/hr Rate downstream of boat Rate upstream ∴ Speed of current Hence option [B] is correct answer.
The speed of a stream is 3 km/hr and the speed of a man in still water is 5 km/hr. The time taken by the man to swim 26 km downstream is :
The speed of a stream is 3 km/hr and the speed of a man in still water is 5 km/hr. The time taken by the man to swim 26 km downstream is : [A] [B] [C] [D] Show Answer Hence option [C] is correct answer.
A sailor goes 12 km downstream in 48 minutes and returns in 1 hour 20 minutes. The speed of the sailor in still water is :
A sailor goes 12 km downstream in 48 minutes and returns in 1 hour 20 minutes. The speed of the sailor in still water is : [A]12 km/hr [B]12.5 km/hr [C]13 km/hr [D]15 km/hr Show Answer 12 km/hr Let the speed of sailor in still water be x km/hr and speed of current y km/hr. […]
A man car row 15 km/hr downstream and 9 km/hr upstream, the speed of the boat in still water is :
A man car row 15 km/hr downstream and 9 km/hr upstream, the speed of the boat in still water is : [A]8 km/hr [B]10 km/hr [C]12 km/hr [D]15 km/hr Show Answer 12 km/hr Speed of boat in still water = Hence option [C] is correct answer.
The speed of the current is 5 km/hr. A motorboat goes 10 km upstream and back again to the starting point in 50 minutes. The speed (in km/hr) of the motorboat in still water is :
The speed of the current is 5 km/hr. A motorboat goes 10 km upstream and back again to the starting point in 50 minutes. The speed (in km/hr) of the motorboat in still water is : [A]20 [B]26 [C]25 [D]28 Show Answer 25 Let the speed of motorboat in still water be x km/hr. Hence […]