Warning: implode(): Invalid arguments passed in /www/wwwroot/jobquiz.info/mdiscuss.php on line 336 Speed of a boat in still water is 9km/hr. It goes 12 km down stream and comes back to the starting point in threehours. What is the speed of water in the stream? ?->(Show Answer!)
1. Speed of a boat in still water is 9km/hr. It goes 12 km down stream and comes back to the starting point in threehours. What is the speed of water in the stream?