16. A boat goes 36km down stream and 25km upstream in 9hour it can go 45km down stream and 35km upstream in 12 hours find the speed of boat in still water and that of the stream (by elimination method)

16. A boat goes 36km down stream and 25km upstream in 9hour it can go

1.	16. A boat goes 36km down stream and 25km upstream in 9hour it can go 45km down stream and 35km upstream in 12 hours find the speed of boat in still water and that of the stream (by elimination method)
Answer» 16. A boat goes 36km down stream and 25km upstream in 9hour it can go 45km down stream and 35km upstream in 12 hours find the speed of boat in still water and that of the stream (by elimination method)