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?
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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?
ans= 3+.45=3.45 hr
ans= 3+.45=3.45 hr
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