Math, asked by anshakbarpur, 4 months ago

A cistern can be filled by a tap in 4 hours and emptied by an outlet in 8 hours.

How long will it take to fill the cistern if both the taps and the pipe are opened

together?
post explanation please​

Answers

Answered by Anonymous
4

Answer:

Total time taken to fill the cistern = 12 hrs.

Step-by-step explanation:

A cistern can be filled by a tap in 4 hrs

A cistern can be filled by a tap in 1 hr = 1/4

A cistern emptied by an outlet pipe in 6 hrs

A cistern emptied by an outlet pipe in 1 hr =1/6

Time taken to fill the cistern if both taps are opened together in 1 hr = 1/4-1/6=1/12

Total time taken to fill the cistern = 12 hrs.

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