Sakthi rows a boat at 4 km upstream in 1hour and 1 km downstream in 20 minutes.How long will he take to reach 3.5km in still water?

Sakthi rows a boat at 4 km upstream in 1hour and 1 km downstream in 20

1.	Sakthi rows a boat at 4 km upstream in 1hour and 1 km downstream in 20 minutes.How long will he take to reach 3.5km in still water?
A.	1
B.	2
C.	3
D.	4
Answer» B. 2

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Sakthi rows a boat at 4 km upstream in 1hour and 1 km downstream in 20 minutes.How long will he take to reach 3.5km in still water?

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