Sets

Complete the test and get an award.

Question 1
If A = {1, 5, 10, 20, 30} then

Question 2
If A = {odd numbers} and B = {even numbers} thus A ∪ B is equal to:

Question 3
Given A={2, 4, 6,...}, B = {5, 10, 15, 20,...} and C = {10, 20, 30, ...}, then (A ∩ B) ∩ C is equal to:

Question 4
What is set {10, 20, 30} of set {0, 10, 20, 30}?

Question 5
Let A and B are two sets, then A - B is

Question 6
If A ∪ B = ∅ then:

Question 7
If A ∪ B = A ∩ B then:

Question 8
∅' is the set:

Question 9
(A ∩ B)' is the set:

Question 10
If A, B, C be any three sets, then (A - B) ∩ (A - C) is:



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