New products in a company are assigned a code using a set of rules: - only the digits 0-5 can be used - the second digit must be twice the first digit and can not be 0 - the last digit must be twice the second digit which of the following statements is true?
The last digit is always 5
The second digit is always 2
The first digit is always 0
Nothing can be assumed about the code
Answer: The second digit is always 2
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