If S and T are two sets such that S has 21 elements, T has 32 elements – McqOptions

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1.	If S and T are two sets such that S has 21 elements, T has 32 elements, and S T has 11 elements, how many elements does S T have?
A.	52
B.	32
C.	42
D.	None of these
Answer» D. None of these

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