Pipes A, B and C together filled a tank in t minutes working in the following manner:
Pipe A was open for t minutes;
Pipe B was open for the first 10 minutes and then closed.
Two minutes after pipe B was closed, pipe C was opened and is kept open till the tank was full.
Each pipe filled an equal share of the tank. If pipes A and B, both opened, can fill the tank in t minutes. How long will it take pipe C alone to fill the tank ?
A. 36
B. 27
C. 24
D. 20
E. 18
Are You Up For the Challenge: 700 Level Questions![]()
Pipe A was open for t minutes;
Pipe B was open for the first 10 minutes and then closed.
Two minutes after pipe B was closed, pipe C was opened and is kept open till the tank was full.
Each pipe filled an equal share of the tank. If pipes A and B, both opened, can fill the tank in t minutes. How long will it take pipe C alone to fill the tank ?
A. 36
B. 27
C. 24
D. 20
E. 18
Are You Up For the Challenge: 700 Level Questions