Two pipes A and B can fill a cistern in 120 minutes and 150... — Quantitative Techniques and Data Interpretation 2018

Question 17 Quantitative Techniques and Data Interpretation 2018 Medium MCQ +4.00 marks · -1.00 negative

Two pipes A and B can fill a cistern in 120 minutes and 150 minutes respectively. There is also an outlet C. If all the three pipes are opened together, the cistern gets filled in 100 minutes. How much time will be taken by C to empty the full tank?

A. 3 h 20 min B. 2 h 40 min C. 3 h D. 3 h 40 min

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