Math, asked by sanjaykumar1311, 1 year ago

pipe a can complete fill a tank in 6 hours whereas another pipe B can empty the tank in 7 hours if both pipe open together how long will it take to fill the tank completely​

Answers

Answered by haridasan85
1

Answer:

filling inIhr=1 /6

empty......... I/7

1/6-1/7=(7-6)/42=I/42

42 hrs to fill the tank if both work

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