A cistern has a leak which would empty it in 8 hours. A tap is turned on, which admits 6 liters a minute into the cistern and it is now emptied in 12 hours. How many liters does the cistern hold?

A cistern has a leak which would empty it in 8 hours. A tap is turned

1.	A cistern has a leak which would empty it in 8 hours. A tap is turned on, which admits 6 liters a minute into the cistern and it is now emptied in 12 hours. How many liters does the cistern hold?
A.	5760 liters
B.	8640 liters
C.	6480 liters
D.	3890 liters
Answer» C. 6480 liters