প্রশ্ন ও উত্তর
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
গণিত ঐকিক নিয়ম 11 Oct, 2021
প্রশ্ন 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
সঠিক উত্তর
2 hours
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