Tagged: designing, fashion-designing, Mock Tests (B.DES), nift
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A tank can be filled by two taps A and B in 12 hours and 16 hours, respectively. The full tank can be emptied by a third tap in 6 hours. If all the taps be turned on at the same time, in how much time will the tank be emptied which is filled up completely?
Options :-
- 44 hours
- 48 hours
- 24 hours
- 28 hours
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