

MCQOPTIONS
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1. |
Pipes A and B together can fill a tank in 16 hours, whereas pipe C alone can empty the full tank in 24 hours. A and B were opened together for 10 hours and then closed. Pipe C was then opened. The tank will now be emptied by C in: |
A. | 18 hours |
B. | 14 hours |
C. | 16 hours |
D. | 15 hours |
Answer» E. | |