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Maharashtra Class 10 Answered

Pratik takes 8 hr to travel 36 km downstreem and return to the same spot . The speed of boat in still water is 12 km per hr find the speed of water current
Asked by Vitthalt1 | 06 Sep, 2018, 06:22: AM
answered-by-expert Expert Answer
 
Let speed of current be x km/h and speed of teh boat is 12 km/h
Downsteram speed is 12 + x km/h and upstream speed is 12 - x km/h
 
 
 
begin mathsize 16px style fraction numerator 36 over denominator 12 plus straight x end fraction plus fraction numerator 36 over denominator 12 minus straight x end fraction equals 8 end style Solving this further we get x = 6
Answered by Sneha shidid | 06 Sep, 2018, 01:06: PM

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