Question

A sailor goes 8 km downstream in 40 minutes and returns in 1 hour. Determine the speed of the sailor in still water and the speed of the current.


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Answer 1

2km per 2minutes....................

Answer 2

$\huge\bold\pink{Answer:-}$
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⇒ x + y = 12  

⇒ x - y = 8  

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⇒ 2x = 20,  

⇒ 2y = 4  

⇒ x = 10,  

⇒ y = 2  

⇒Speed of stream = 2 kmph, Speed of boat = 10 kmph