Sets Mock Tests

The set {x : x is a prime number and 2 < x < 10} is equal to:

In a class of 40 students, 25 play cricket, 20 play football, and 10 play both. How many students play neither cricket nor football?

If U is the universal set and A is a subset of U, then the complement of the complement of A is equal to:

The number of subsets of the set S = {1, 2, 3, …, 10} that do not contain the element 5 is:

If U = {1, 2, 3, 4, 5, 6, 7, 8}, A = {1, 2, 3} and B = {3, 4, 5}, then (A ∪ B)' equals:

If A = {1, 2, 3} and B = {2, 3, 4}, then A ∩ B is:

The number of subsets of the set {1, 2, 3, 4} is:

If A = {1, 2, 3, 4} and B = {3, 4, 5, 6}, then A ∪ B is: