প্রশ্ন ও উত্তর
A cistern can be filled in 10 hours but it takes 12 hours due to a leak in its bottom. If the cistern is full, then the time that the leak will take to empty it is:
গণিত Pipe and Tank 07 Oct, 2020
প্রশ্ন A cistern can be filled in 10 hours but it takes 12 hours due to a leak in its bottom. If the cistern is full, then the time that the leak will take to empty it is:
সঠিক উত্তর
60 h
মন্তব্য
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