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:

  • ক.
    60 min
  • খ.
    80 h
  • গ.
    90 h
  • ঘ.
    60 h

সঠিক উত্তর

60 h

মন্তব্য

There are no comments yet.
Authentication required

You must log in to post an answer.

Log in

বিষয়

গণিত

অধ্যায়

Pipe and Tank