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Three taps A, B and C can fill a tank in 20, 24 and 30 hours respectively. How long (in hours) would the three taps take to fill the tank if all of them are opened together?1). 82). 123). 94). 6 |
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Answer» A fill the tank in one DAY = 1/20 B fill the tank in one day = 1/24 C fill the tank in one day = 1/30 Fill the tank (A + B + C) in one day = (1/20) + (1/24) + (1/30) = 15/120 = 1/8 |
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