Single Answer MCQ
Q-00051546
If A = {x | x is a prime number < 10} and B = {x | x is an even number < 10}, what is A ∪ B?
1
{2, 3, 5, 7, 8}
2
{2, 4, 6, 8}
3
{2, 3, 5, 7}
4
{2, 6, 10}
Answer and Solution
Answer
A. {2, 3, 5, 7, 8}
Solution:
A contains {2, 3, 5, 7} and B contains {2, 4, 6, 8}; thus, A ∪ B = {2, 3, 5, 7, 8}.
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