# Arithmetic Aptitude :: Pipes & Cistern

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## 9. There are two pipes A and B. If A filled 10 liters in hour B can fills 20 liters in same time. Likewise B can fill 10, 20, 40, 80,160. If B filled in (1/16) th of a tank in 3 hours, how much time will it take to fill completely?

**Answer:**

**Option C**

**Explanation :**

There is no Explanation for this answer

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