Let A = {1, 2, 3, 4, 5}; B = {2, 3, 6, 7}. Then the number of elements in \[\left( A\text{ }~\times \text{ }B \right)\text{ }\cap \text{ }\left( B\text{ }\times \text{ }A \right)\] is

Let A = {1, 2, 3, 4, 5}; B = {2, 3, 6, 7}. Then the number of elements

1.	Let A = {1, 2, 3, 4, 5}; B = {2, 3, 6, 7}. Then the number of elements in \[\left( A\text{ }~\times \text{ }B \right)\text{ }\cap \text{ }\left( B\text{ }\times \text{ }A \right)\] is
A.	18
B.	6
C.	4
D.	0
Answer» D. 0

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Let A = {1, 2, 3, 4, 5}; B = {2, 3, 6, 7}. Then the number of elements in \[\left( A\text{ }~\times \text{ }B \right)\text{ }\cap \text{ }\left( B\text{ }\times \text{ }A \right)\] is

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