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  9. Q708

RRB Junior Engineer / DMS / CMA 2024 · Question 708 of 730

A pipe can fill a tank in 18 hours. Another pipe can empty the filled tank in 21 hours. If both the pipes are opened simultaneously, then the time (in hours) in which the tank will be filled is:

  1. A126Correct
  2. B128
  3. C129
  4. D127

Answer: A. 126

Official answer key verified. Detailed explanation coming soon.

Source: Railway Junior Engineer 2024 Answer Key compilation (English) — testranking.in (Gagan Pratap) · reliable-secondary

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