Math, asked by shreasthkapoor, 30 days ago

A boat goes 30 km upstream. and 44 km downstream in 10. hours. In 13 hours, it can go 40 km upstream and 55 km downstream. Determine the speed of the stream and that of the boat in still water. By elimination method

Answers

Answered by ajaygirijcb961

Time taken for 30 km upstream and 44 km downstream is 10 hours. Time taken for 40 km upstream and 55 km downstream is 13 hours. So, the correct answer is “3 kmph

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A boat goes 30 km upstream. and 44 km downstream in 10. hours. In 13 hours, it can go 40 km upstream and 55 km downstream. Determine the speed of the stream and that of the boat in still water. By elimination method​

Answers

A boat goes 30 km upstream. and 44 km downstream in 10. hours. In 13 hours, it can go 40 km upstream and 55 km downstream. Determine the speed of the stream and that of the boat in still water. By elimination method