Math, asked by GauravMitra, 11 months ago

Two taps can fill a cistern in 15 hours and 20 hours respectively. A third tap can empty it in 30 hours. how long will they take to fill the cistern if all the taps are opened?​

Answers

Answered by Anuj3760
3

Answer:

1/15 +1/20 - 1/30

Solve and get the required answer

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