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RRB Junior Engineer / DMS / CMA 2019 · Question 1403 of 3719

Two pipes can fill a cistern in 12 minutes and 15 minutes. A third pipe can empty it in 6 minutes. The first two are open for 6 minutes and after that the third pipe is also opened. In what time will the cistern be emptied?

  1. A57 minutes
  2. B48 minutes
  3. C42 minutes
  4. D54 minutesCorrect

Answer: D. 54 minutes

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (26-June-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

← Q1402View full paper (3719 questions)Q1404 →

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