List of top Mathematics Questions on Sets asked in TS POLYCET

Which of the following is a finite set?
The mean and mode of 5, 3, 9, 1, 9, 8, 9, 4 are m and n respectively, the value of m+n is?
Mode of the data \( 19, 2, 6, 12, 12, 3, 5, 6, 18, 14, 6, 17, 2 \) is:
Which of the following is true?
A={C,O,V,I, D, 19, 2020}, B={C,O,V,I, D, 19, 2021} then B-A=?
A= {P, O, L, Y, T, E, C, H, N, I, Q), B= {P, O, L, Y, C, E, T, 2020), B-A=
If A={a}, B={a,b}, C={a,b,c}, then A∩B∩C=