Math, asked by rajeevkabhai, 5 months ago

How long will two pipes together take to fill a cistern which they can separetly fill in 20 minutes and 25 minutes ?

Answers

Answered by shruti6687

0

Answer:

Both are opened together but at the end of 10 minutes B is turned off. How much longer will cistern take to fill. A)

Step-by-step explanation:

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