Mathematics
Medium
Question
A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
A
3 hrs 15 min
B
3 hrs 45 min
✓ Official correct answer
C
4 hrs
D
4 hrs 15 min
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
3 hrs 15 min
No member explanations yet for this option.
B
3 hrs 45 min
No member explanations yet for this option.
C
4 hrs
No member explanations yet for this option.
D
4 hrs 15 min
No member explanations yet for this option.