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MAT Pipes and Cisterns — practice questions

Explore 1 free Pipes and Cisterns questions in MAT Mathematicalability. Open each question or exercise to read its content, reference answers and available explanation.

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Pipes and Cisterns questions and exercises with answers

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A pipe fills a tank in 6 hrs; another empties it in 9 hrs. Both open together, when does the tank fill?Read the answer and worked solution →

Worked practice questions

A pipe fills a tank in 6 hrs; another empties it in 9 hrs. Both open together, when does the tank fill?

  1. 20 hrs
  2. 12 hrs
  3. 15 hrs
  4. 18 hrs
Show answer and solution

Correct answer: D. 18 hrs

1. Filling rate: 1/6. Emptying rate: −1/9. 2. Net rate: 1/6 − 1/9 = 3/18 − 2/18 = 1/18 per hour. 3. Time = 18 hours. _Source: TSICET 2024 PYQ Q.84 (Shift 1, Pipes and Cisterns)_

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