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Get Answers to all your Questions
Q4. 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?
Answers (1)
n(S) = 21
n(T) = 32
n(S T) = 11
n(S T) = n(S) + n(T) - n(S
T)
n(S T) = 21 + 32 - 11
n(S T) = 53 - 11
n(S T) = 42
Hence, the set (S T) has 42 elements.
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