If A = {1, 2, 3, 4, 5} , B = {a, b, c, d, e} and C = { -, +, x, @, *} , then which of the following is the not the element of set (A x B x C)?{1,a,#}{4,b,+}{5,a,@}{1,e,*

If 𝐴×𝐵 = {(1, a), (1, b), (1, c), (2, a), (2, b), (2, c)} then find set B.

Which elements are included in Set B but not in Set A? {1, 3} {4, 7, 8} {2, 6, 10} {2, 4, 6, 7, 8, 10}

Which of the following is NOT a valid set? a. {1,2,3,4} b. {apple, banana, cherry} c. {{1},{2},{3}} d. {5,6,5}

Which of the following is not equal to set A?

When a set does not contain any element, it is known as __________.