Mathematics
Medium
Question
Pipe A can fill a tank in 6 hours. Due to a leak at the bottom, it takes 9 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank?
A
16 hours
B
15 hours
C
18 hours
✓ Official correct answer
D
17 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
16 hours
No member explanations yet for this option.
B
15 hours
No member explanations yet for this option.
C
18 hours
No member explanations yet for this option.
D
17 hours
No member explanations yet for this option.