turkey-yks 2013 Q17

turkey-yks · Other · ygs Not Maths

Let $A = \{ 1,2,3,4,5,6 \}$ and $f : A \rightarrow A$ is a one-to-one function.
Accordingly, $$f ( 1 ) + f ( 2 ) + f ( 3 ) + f ( 4 )$$
What is the difference between the maximum and minimum values that this sum can take?
A) 6
B) 7
C) 8
D) 9
E) 10

Let $A = \{ 1,2,3,4,5,6 \}$ and $f : A \rightarrow A$ is a one-to-one function.

Accordingly,
$$f ( 1 ) + f ( 2 ) + f ( 3 ) + f ( 4 )$$

What is the difference between the maximum and minimum values that this sum can take?\\
A) 6\\
B) 7\\
C) 8\\
D) 9\\
E) 10

Paper Questions

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