1.

A boat while travelling upstream covers a distance of 29 km at the speed of 6 km/h, whereas while travelling downstream it covers the same distance at a speed of 12 km/h. What is the speed of the boat in still water?

A. 6 kmph
B. 8 kmph
C. 9 kmph
D. 11 kmph
Answer» D. 11 kmph


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