Operation on Se...

If U = {1, 7, 11, 13, 15, 18, 21, 32, 35, 39},then which of the following is not a subset of U.

Let M = {3, 5, 7, 8, 10, 12}, N = {2, 4, 7, 8} and P = {5, 10}, then which among the following statements is incorrect?

Which among the following is a universal set for the other three sets?

Which among the following is not a proper subset of {a, b, c}?

If M is a proper subset of N, then M ⋂ N =

If M is a subset of N, then M ⋃ N =

Which among the following is an example of disjoint sets?

P = {The set of odd numbers}
Q = {The set of even numbers}
R = {The set of prime numbers}

If P = {1, 2, 3} and Q = {3, 4, 5},then (P ⋃ Q) = ____

If U = {1, 3, 5, 7, 9, a, b, c, d} and A = {1, 3, 5} and B = {a, b, c} then (A ⋃ B)′

lf P = {x : x∈, x ≤ 2} and Q = {x : x ∈ N, x < 20} then n (P ⋃ Q) = ____