- A3:30 p.m.
- B3 p.m.
- C4 p.m.
- D3:12 p.m.
Step-by-Step Solution
By 2: . By 3: . Then an hour for : 12 minutes.
Answer: D) 3:12 p.m.
Taps A (3 h), B (4 h) fill a tank and C (6 h) empties it. They are opened at 1 p.m., 2 p.m. and 3 p.m. respectively. When is the tank full?
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