Let X= {Ram, Geeta, Akbar} be the set of students of class XI, who are in school hockey team.
Let Y= {Geeta, David, Ashok} be the set of students of class XI, who are in school football team.
Find X∩Y.
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Solution
Given: X= {Ram, Geeta, Akbar} and Y= {Geeta, David, Ashok}
We see that element 'Geeta' is the only element common to both X and Y. ∴X∩Y= {Geeta}