Mathematics
Medium
Question
One top can fill a cistern in 2 hours and another can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?
A
5 Hours
B
6 Hours
✓ Official correct answer
C
7 Hours
D
8 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
5 Hours
No member explanations yet for this option.
B
6 Hours
No member explanations yet for this option.
C
7 Hours
No member explanations yet for this option.
D
8 Hours
No member explanations yet for this option.