csat-suneung 2017 Q3

csat-suneung · South-Korea · csat__math-humanities 2 marks Probability Definitions Set Operations

Two sets $$A = \{ 1,2,3,4,5 \} , B = \{ 2,4,6,8,10 \}$$ What is the value of $n ( A \cup B )$? [2 points]
(1) 6
(2) 7
(3) 8
(4) 9
(5) 10

Two sets
$$A = \{ 1,2,3,4,5 \} , B = \{ 2,4,6,8,10 \}$$
What is the value of $n ( A \cup B )$? [2 points]\\
(1) 6\\
(2) 7\\
(3) 8\\
(4) 9\\
(5) 10