A company’s security policy requires each employee to have an ID number. The policy also requires each person’s ID number to be printed on their ID card. Under the policy, each ID number must contain six digits, and no digit can be used more than once in a particular ID number. Assuming that the company has 152,000 employees, is this a sensible policy?

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.