A room contains 200 people, 25% of whom are graduates. A group of people 30% of whom are graduates leave the room. Of the remaining people 10% are graduates. How many people did leave the room?

গণিত Counting and Venn Diagram 07 Oct, 2020

প্রশ্ন A room contains 200 people, 25% of whom are graduates. A group of people 30% of whom are graduates leave the room. Of the remaining people 10% are graduates. How many people did leave the room?

  • ক.
    150
  • খ.
    145
  • গ.
    125
  • ঘ.
    120

সঠিক উত্তর

150

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Counting and Venn Diagram