A boat goes at 16 kmph along the stream and kmph against the stream. The speed of the boat (in kmph) in still water is :10A12 kmphB11 kmphC13 kmphD8 kmphAnswer: C. 13 kmph Read Explanation: Given:Rate of Downstream = 16 kmphRate of Upstream = 10 kmphcalculation:Speed of boat in still water = 12\frac{1}{2}21(rate downstream + rate upstream)=12(16+10)=13kmph.=\frac{1}{2}(16 + 10) = 13 kmph.=21(16+10)=13kmph. Read more in App