UP TGT Mathematics Commercial Mathematics Test Series - Part 4

A man rows 12 km downstream in 2 hours and 8 km upstream in 2 hours. Find his speed in still water in km/h.

Type: MCQ • Marks: 1
A man rows 12 km downstream in 2 hours and 8 km upstream in 2 hours. Find his speed in still water in km/h.
Options
A. 6
B. 4
C. 7
D. 5
Explanation
Downstream = 6 km/h; upstream = 4 km/h. Still-water speed = (6+4)/2 = 5 km/h.
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