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Question

If the set A has p elements, B has q elements, then the number of elements in A×B is



Your Answer
A

p+q

Your Answer
B

p+q+1

Correct Answer
C

pq

Your Answer
D

p2


Solution

The correct option is C

pq


n(A×B)=n(A)×n(B)

=p×q=pq

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