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  9. Q1987

RRB Junior Engineer / DMS / CMA 2019 · Question 1987 of 3719

Two pipes P and Q can fill a cistern in 18 and 24 minutes respectively. Both pipes are opened, but after some time, the slower pipe is closed. The cistern gets filled in 12 minutes from the start. When is the slower pipe closed?

  1. AAfter 9 minutes
  2. BAfter 8 minutesCorrect
  3. CAfter 10 minutes
  4. DAfter 6 minutes

Answer: B. After 8 minutes

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (28-June-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

← Q1986View full paper (3719 questions)Q1988 →

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