Time & Work
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Time & Work

Member Admin
Joined: 4 months ago
Posts: 29
Topic starter  

Tap A can fill a tank in 6 hours, Tap B can fill the same tank in 8 hours  and Tap C  can empty the same tank in 4 hours. If all the taps A , B and C are opened together , then how much time will be taken to fill the tank ?

A. 24

B. 30

C. 28

D. 20