Pipes and Cistern Question & Answers
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|
|C) 4 hrs 15 min||D) 4 hrs 1|
Time taken by one tap to fill half of the tank = 3 hrs.
Part filled by the four taps in 1 hour =
Remaining part =
So, total time taken = 3 hrs. 45 mins.
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