- A6 h
- B12 h
- C10 h
- D20 h
Step-by-Step Solution
In 10 h pipe A fills of the tank, so B filled in its 4 hours. B alone needs h.
Answer: B) 12 h
Pipes A and B were opened together on an empty tank. The chart shows how long each pipe stayed open; the tank was full at the dashed line. How long would pipe B alone take to fill the empty tank?
Class 8Leaks and Changing PipesDirect and Inverse Proportions
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