boats-and-streams

Boats and Streams

Boats and Streams: Boats and Streams Formula, Boats and Streams Questions, Boats and Streams Problems and Boats and Streams Tricks for solving exercises

Boats and Streams: Boats and Streams Formula, Boats and Streams Questions, Boats and Streams Problems and Boats and Streams Tricks for solving exercises


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learning pundits content team

Learning Pundits Content Team

Written on Sep 29, 2017 9:04:37 AM

TIP on cracking Aptitude Questions on Boats and Streams

Looking for Questions instead of tips? - You can directly jump to  Aptitude Test Questions on Boats and Streams

Tip: Understand that the water current can help (when downstream) or hinder (when upstream) the boat


If Sb, Sc, Su and Sd be the speeds of the boat in still water, speed of the current in the stream, speed of the boat while running upstream and speed of the boat while running downstream respectively, then

Sb + Sc = Sd              and               Sb ā€“ Sc = Su

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 speed of the water current respectively?

Solution:

Let the distance travelled be ā€˜dā€™ meters

Sb ā€“ Sc = d/ 528 meters/ min [When travelling upstream]

Sb + Sc = d/240 meters/ min [When travelling downstream]

Solving the equations above, we get

Sb: Ss = 8: 3

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boats-and-streams

Boats and Streams

Boats and Streams: Boats and Streams Formula, Boats and Streams Questions, Boats and Streams Problems and Boats and Streams Tricks for solving exercises

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