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How Many One-To-One Correspondences Are There Between the Sets {x,y,z,u,v}\{ x , y , z , u , v \}

Question 79

Multiple Choice

How many one-to-one correspondences are there between the sets {x,y,z,u,v}\{ x , y , z , u , v \} and {2,4,6,7,9}\{ 2,4,6,7,9 \} if in each correspondence xx must correspond to 7 and zz to 6 ?


A) 120
B) 16
C) 21
D) 6

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