Final answer:
The mode of the given set is 41.
Step-by-step explanation:
The mode of a set of numbers refers to the value(s) that occur most frequently. In the given set: 41, 43, 45, 3, 1, the mode is 41 because it appears more frequently than any other number. The mode can be determined by counting the frequency of each number and identifying the number(s) with the highest frequency.
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