Sets

Question 1 of 10

In a class, 20 pupils play football, 18 play volleyball and 8 play both. How many play at least one of the games? ___

Question 2 of 10

In a class of 57 pupils, 17 like Mathematics, 19 like Science and 7 like both subjects. (a) Draw a Venn diagram to show this information. (b) How many like Mathematics only? (c) How many like neither subject?

Question 3 of 10

A = {2, 4, 6, 8} and B = {4, 8, 12}. Find A ∪ B.

Question 4 of 10

A set is

Question 5 of 10

U = {1, 2, …, 13}, A = {even numbers} and B = {multiples of 3}. Find n(A ∩ B).

Question 6 of 10

The symbol ∈ means

Question 7 of 10

U = {1, 2, …, 12}, A = {even numbers} and B = {multiples of 5}. Find n(A ∩ B).

Question 8 of 10

P = {factors of 12}. How many elements does P have?

Question 9 of 10

If A = {1, 2, 3, 4, 5} and B = {2, 4, 6, 8}, find A ∩ B.

Question 10 of 10

Two sets with no common elements are called