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1. |
Pipes A and B can fill a tank in 16 hours and 24 hours, respectively, and Pipe C alone can empty the full tank in x hours. All the pipes were opened together at 10:30 a.m, but C was closed at 2:30 p.m. If the tank was full at 8:30 p.m on the same day, then what is the value of x? |
A. | 48 |
B. | 96 |
C. | 64 |
D. | 45 |
Answer» C. 64 | |