A tap can fill a tank in 6 hours. After half the tank is filled, three more simi

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?

Options:

A . 3 hrs 15 min

B . 3 hrs 45 min

C . 4 hrs

D . 4 hrs 15 min

Answer: Option B

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