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A tap can fill a tank in 8 hours. After half the tank is filled, four more similar taps are opened. What is the total time taken to fill the tank completely?

A3 hours, 30 min

B4 hours, 40 min

C5 hours, 30 min

D4 hours, 48 min

Answer:

D. 4 hours, 48 min

Read Explanation:

4 hours, 48 min


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