Math, asked by rajvigupta, 8 months ago

One tap can fill a cistern in 3 hours and a waste pipe can empty the full cistern in 5 hours. How much time will be needed to fill the cistern if both the tap and pipe are open?

Answers

Answered by jhumap2015

1

Answer:

7.5 hrs or 7 hr 30 min

Step-by-step explanation:

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