Math, asked by soumendra32, 7 months ago

two pipes a nd b can separately fill a cistern in 20 min and 30 min . while c can emty it in 15 min if all r opened togethered how much time it will be filled

step by step xplanation pls

Answers

Answered by manasgupta2506

Answer:

If all the pipes are opened together, the empty cistern will be filled in 60 minutes. Therefore, In 1 minute, the fraction of cistern filled, if all the 3 pipes are opened together is, Thus, if all the 3 pipes are opened together, then the empty cistern is filled in 60 minutes

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