A motor boat whose speed is 18 km|hr in still water takes 1 hr more to go 24 km upstream than to...

A motor boat whose speed is 18 km/hr in still water takes 1 hr more to go 24 km upstream than to return downstream to the same spot. What is the speed of the stream?

A motor boat whose speed is 18 km/hr in still water takes 1 hr more to go 24 km upstream than to,matharmy,math army,cbse class 10th,quadrilaterals,