A Man can row upstream at 27kmph and downward stream at 10 kmph. Find Man's rate still in water. Select the correct option.
A) 8.5km/hr B) 32km/hr C) 4.9km/hr D) 28km/hr E) 3.2km/hr
Rate in still water =1/2(10+7)km/hr   =8.5km/hr .   correct option is :8.5km/hr
<result>A</result>
A Man can row upstream at 27kmph and downward stream at 10 kmph. Find Man's rate still in water.