Cardinality relations of set.
- In a survey of some students, 55% of the students like basketball, 65% like cricket and 35% like basketball as well as cricket.
- Show the above information in a venn-diagram.
- How many percent of students do not like basketball as well as cricket?
2. In a survey of 250 people, 180 like farming, 120 like civil service and every people like at least one occupation, Draw a venn-diagram and find the numbers of people who like farming as well as civil service. Also find how many people like only civil service?