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Nagalakshmi

· started a discussion

· 1 Months ago

questions (Question: 176829.0 )

more questions want to solve

Question:

A boat covers 12 km upstream and 18 km downstream in 3 hours while it covers 36 km upstream and 24 km downstream  in 6\(\cfrac{1}{2}\) hours,  what  is  the  speed of  the stream ?

Options:
A) 1.5 km/hr
B) 1 km/hr
C) 2 km/hr
D) 2.5 km/hr
E) None of these
Solution:
Ans: (c) Let speed of boat in still water be x and speed of stream


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