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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 from Class XI who are in the school football team. Find X $\cap$ Y.

We see that element ‘Geeta’ is the only element common to both. Hence, X $\cap$ Y = {Geeta}.