Sets and Venn diagrams

Question 1 of 10

P = {1, 2, 3, 4, 5, 6} and Q = {2, 4, 6, 8}. Find P ∩ Q.

Question 2 of 10

If n(A) = 12, n(B) = 9 and n(A ∪ B) = 17, find n(A ∩ B).

Question 3 of 10

If n(U) = 60, n(A) = 35, n(B) = 30 and n(A′ ∩ B′) = 5, find n(A ∩ B).

Question 4 of 10

U = {1, 2, …, 10} and A = {even numbers in U}. Find n(A′).

Question 5 of 10

In a survey, 45 people read Daily Graphic, 30 read Times and 12 read both. If 10 read neither, how many were surveyed?

Question 6 of 10

Given A = {x : 2 < x ≤ 7, x an integer}, n(A) is

Question 7 of 10

In a class of 40, 25 study French, 18 study Music and 10 study both. How many study neither?

Question 8 of 10

Of 100 traders, 60 sell rice, 45 sell beans and 20 sell both. How many sell beans only?

Question 9 of 10

Which property is shown by a × 1 = a?

Question 10 of 10

If A ⊂ B, then A ∩ B is equal to