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RRB Junior Engineer / DMS / CMA 2019 · Question 189 of 3719

An inlet pipe will fill a tank in 10 minutes. There are two outlets that can empty the tank separately in 12 and 15 minutes respectively. If all the pipes are opened and water starts filling up the tank, in what time will the tank get filled or emptied ?

  1. AEmptied in 20 minutesCorrect
  2. BFilled in 36 minutes
  3. CEmptied in 18 minutes
  4. DFilled in 75 minutes

Answer: A. Emptied in 20 minutes

Official answer key verified. Detailed explanation coming soon.

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

← Q188View full paper (3719 questions)Q190 →

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