A cistern is full of water. Aherain pipe, which can empty the full taken in 72 minutes, is opened. 24 minutes later, another pipe which can fill the empty cistern in48 minutes is opened. After how much time (in minutes), in total, is the tank full again?O 72 minutesB.O 48 minutesC.68 minutes0 36 minutesBy how many seconds does Joey beat Ross?

A cistern is full of water. Aherain pipe, which can empty the full tak

1.	A cistern is full of water. Aherain pipe, which can empty the full taken in 72 minutes, is opened. 24 minutes later, another pipe which can fill the empty cistern in48 minutes is opened. After how much time (in minutes), in total, is the tank full again?O 72 minutesB.O 48 minutesC.68 minutes0 36 minutesBy how many seconds does Joey beat Ross?
Answer» 36 MINUTES TAKE to FULL the TANK

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