English, asked by niharikamanju5551, 7 months ago

Two pipes A and B can fill a tank in 20 minutes and 40 minutes.If both
pipes are opened simultaneously, after how much time should B be
closed so that the tank is full in 18 minutes ?

Answers

Answered by poonamsingh1050

7

Hope it is useful to you

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Answered by genius263

3

Answer:

8 min

Explanation:

refer to the above picture

Attachments:

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