June 2007 PrepTest, Section 1, Question 4
A company employee generates a series of five-digit product codes in accordance with the following rules:
A company employee generates a series of five-digit product codes in accordance with the following rules:
A company employee generates a series of five-digit product codes in accordance with the following rules:
A company employee generates a series of five-digit product codes in accordance with the following rules:
The codes use the digits 0, 1, 2, 3, and 4, and no others.
Each digit occurs exactly once in any code.
The second digit has a value exactly twice that of the first digit.
The value of the third digit is less than the value of the fifth digit.
Any of the following pairs could be the third and fourth digits, respectively, of an acceptable product code, EXCEPT:
0, 1
0, 3
1, 0
3, 0
3, 4
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