2000 CEMC Pascal Problems/Problem 4
Problem
If the following sequence of five arrows repeats itself continuously, what arrow would be in the th position?
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Solution
There are five arrows in the sequence, so the pattern will repeat for every positions.
This means that we can just find the remainder when dividing by
.
, but
.
Since is between these two numbers, the remainder must be
.
The third arrow in the pattern is .
~anabel.disher