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     EduGorilla 
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    Tap 'x' can fill the tank in 8 hours. Tap 'y' can empty it in 12 hours. Both the taps were opened for 4 hours and then, tap 'y' was closed. How much more time will it take to fill the tank completely? 

    Options :-

    1. 4 hours
    2. 5 hours
    3. 6 hours
    4. 6 hours
    5. 7 hours
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Reply To: Tap 'x' can fill the tank in 8 hours. Tap 'y' can empty it in 12 hours. Both the….
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