A tank can be filled by a tap in 8 hrs while it can be emptied by another tap in 18 hrs. if both the taps areopened simultaneously, then after how much time will the cistern get filled?

A tank can be filled by a tap in 8 hrs while it can be emptied by anot

1.	A tank can be filled by a tap in 8 hrs while it can be emptied by another tap in 18 hrs. if both the taps areopened simultaneously, then after how much time will the cistern get filled?
A.	14 hrs 24 mins
B.	14 hrs 48 mins
C.	15 hrs 25 mins
D.	12 hrs 45 mins
Answer» B. 14 hrs 48 mins

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A tank can be filled by a tap in 8 hrs while it can be emptied by another tap in 18 hrs. if both the taps areopened simultaneously, then after how much time will the cistern get filled?

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