A boat goes 30km upstream and 44 km downstream in 10 hrs . In 13 hrs it can go 40km upstream and 55km downstream determine the speed and that of the boat in still water
Displaying ads are our only source of revenue. To help Teachoo create more content, and view the ad-free version of Teachooo... please purchase Teachoo Black subscription.
Please login to view more pages. It's free :)
Teachoo gives you a better experience when you're logged in. Please login :)
Solve all your doubts with Teachoo Black!
Teachoo answers all your questions if you are a Black user!
