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The number of functions that can be form...

The number of functions that can be formed from the set `A={a, b, c, d}` into the set `B={1,2,3}` is equal to`

A

12

B

24

C

64

D

81

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The correct Answer is:
D
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HIMALAYA PUBLICATION-SETS,RELATIONS AND FUNCTIONS-QUESTION BANK
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