a boat goes 21 km upstream and 18 kilometre downstream in 9 hours . in 13 hours it can go 40 kilometre upstream in 27 kilometre downstream determine the speed of the boat is still water then stream water
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Hi ff bro I am also playing ff I went diamond 2 and came 2 lower league this is my I'd [Aryan143721X]
Add me ur frnd and like me brainlisiset and as well as in ff too my bro
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hii FF bro . I am also playing ff i went diamonds 2 and came 2 lower league is this my I'd ....
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