A boat goes at 14 kmph along the stream and 8 kmph against the stream. The speed of the boat (in kmph) in still water is :A12 kmphB11 kmphC10 kmphD8 kmphAnswer: B. 11 kmph Read Explanation: Solution:Given: Rate of Downstream = 14 kmphRate of Upstream = 8kmphCalculation:Speed of boat in still water = 12\frac{1}{2}21 (rate downstream + rate upstream)=12(14+8)=222=11kmph=\frac{1}{2}(14+8)=\frac{22}{2}=11kmph=21(14+8)=222=11kmphSpeed of Boat in Still Water is 11kmph. Read more in App