Mathematics
Medium
Question
Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in?
A
1 13/17 hours
B
2 8/11 hours
C
3 9/17 hours
✓ Official correct answer
D
4 1/2 hours
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
1 13/17 hours
No member explanations yet for this option.
B
2 8/11 hours
No member explanations yet for this option.
C
3 9/17 hours
No member explanations yet for this option.
D
4 1/2 hours
No member explanations yet for this option.