Read the following statements about sets 1.If A and B are sets then A – McqOptions

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1.	Read the following statements about sets 1.If A and B are sets then A + B denotes union of sets A and B. 2.The union of A and B is that set whose elements are in either A or B or both. 3.If A and B are sets, then difference of sets A and B is denoted by A - B. 4.A - B in the set obtained by removing elements of A from B. Which of the above are true?
A.	All
B.	1, 2 and 3 only
C.	2 and 3 only
D.	1 and 4 only
Answer» B. 1, 2 and 3 only

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