if a boat whose speed is 9 km per hour going in a river with a stream velocity 2 kilometre per hour then the speed of the boat in downstream and upstream are:
Answers
Answered by
0
Answer:
Down stream speed = 11 km/he and speed in upstreem = 7 km/hr
Step-by-step explanation: down stream speed = normal speed of object + spead of stream
and upstreem speed = normal speed of object - speed of stream
Similar questions