Class 10 Math All topics Quadratic Equations



Pratik takes hours to travel km downstream and return to the same spot the speed of boat in still water is kilometre per hour find the speed of water current
Solution: 
Let the speed of the current be km/hr.
Pratik goes km downstream. 
Distance covered by the Pratik in Downstream km.
Speed of the Pratik in downstream km/hr.
Time taken
Now, He also returned to the same spot.
Distance covered in upstream km.
Speed of the Pratik in upstream km/hr. 
Time taken
Now,  
Time taken in upstream Time taken in downstream hrs.
or
cannot be possible.
Speed of the current is km/hr.

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Similar topics
introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
polynomials
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Connecting you to a tutor in 60 seconds.
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play store logo
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introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
polynomials