1.

I take 2 hours to go 2 km against the current of a stream and 20 minutes to go 1 km along the current. How long will I take to travel 5 km in stationary water?

A. 2 hr 30 min
B. 2 hr
C. 4 hr
D. 3 hr 30 min
Answer» B. 2 hr


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