প্রশ্ন ও উত্তর
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?
সঠিক উত্তর
150
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