Physics, asked by njana27491, 10 months ago

A and b can together can fill a tank in 30 min. They worked together for 20 min and then b closed. After another 20 min, a fil the remaining tank. In how many min a alone can fill the tank

Answers

Answered by karankumar27062002

3

Answer:

1 hours

Explanation:

I hope it's helpfull to you

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