[Solved] If U = {1, 2, 3, . . . 20 } and S = set of prime numbers , then S =

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Q.	If U = {1, 2, 3, . . . 20 } and S = set of prime numbers , then S =
A.	{ 3, 5, 7, 11, 13, 17 }
B.	{ 2, 3, 5, 7, 11, 13, 17, 19 }
C.	{1, 3, 5, 7, 9, 11, 13, 15, 17, 19 }
D.	{1, 2, 3, 5, 7, 11, 13, 17 }
Answer» B. { 2, 3, 5, 7, 11, 13, 17, 19 }

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