A tank has an inlet pipe and an outlet pipe. If the outlet p... — Quantitative Ability 2017

Question 174 Quantitative Ability 2017 Medium MCQ +3.00 marks · -1.00 negative

A tank has an inlet pipe and an outlet pipe. If the outlet pipe is closed then the inlet pipe fills the empty tank in 8 hours. If the outlet pipe is open then the inlet pipe fills the empty tank in 10 hours. If only the outlet pipe is open then in how many hours the full tank becomes half-full?

A. 20 B. 30 C. 40 D. 45

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