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#30609 Bangla Language & Literature ঐকিক নিয়ম Level 0

It takes 5 hours to fill a container using machine A. The same container can be filled using machine B in 10 hours. When the container is full, Machine C can fully empty the container in 20 hours. If all three machines start working on the same empty cont

  1. A 1/2 hours
  2. B 15 hours
  3. C 2 hours
  4. D 4 hours
Answer: C - 2 hours

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