Practicing Success
The speed of a motor boat in still water is 14.4 times the speed of the current of water. If the motor boat covers a certain distance upstream in 6 hours 25 minutes, then the time taken by the motor boat to come back is : |
5 hours 35 minutes 5 hours 25 minutes 5 hours 10 minutes 5 hours 55 minutes |
5 hours 35 minutes |