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Bill Trikha

· started a discussion

· 1 Months ago

wrong language (Question: 227837.0 )

question said it takes double time . but it is not inferred that double from stilll water or downstream

Question:
A boat goes at a speed of 4\(\cfrac{1}{2}\) km/hr in still water. If it takes 2 times as long to cover a distance of upstream then the speed of stream (in km/hr) is:
Options:
A) 1 km/hr 
B) 1.5 km/hr 
C) 2 km/hr 
D) 2.5 km/hr
Solution:
Ans: (b)


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