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Three taps can fill a tank . tap 1 alone can fill the tank in 30 minute. tap 2 can fill it in 40 minute while tap 3 can fill it in 60 minute. If all the three taps are opened together, How long will it take to fill the tank? |
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Answer» hi Step-by-step EXPLANATION: fggftihdgjjffugijhggggfg |
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