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Question

If n(A)=2, n(B)=2 . What is the total number of relations from A to B?


A

4

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B

16

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C

12

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D

32

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Solution

The correct option is B

16


The number of relations from a set with m elements to a set with n elements is given by 2m.n

Hence, No. of relations from A to B is 22x2 = 16


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