Question

Tap A can fill a tank completely in 4 h, while tap B can empty it in 8 h. How ever, the operator
forgot to close the tap B, and as a result, both the taps remainder open. After 4 h, the person
realized his mistake and immediately closed the tap B. How much more time would the tank take
to get full now?
(A) 1h
(B) 2 h
(C) 3 h
(D) 4 h​

Answer 1

Answer:

2 hrs

Step-by-step explanation:

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