June 2007 PrepTest, Section 1, Question 5
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.
Which one of the following must be true about any acceptable product code?
There is exactly one digit between the digit 0 and the digit 1.
There is exactly one digit between the digit 1 and the digit 2.
There are at most two digits between the digit 1 and the digit 3.
There are at most two digits between the digit 2 and the digit 3.
There are at most two digits between the digit 2 and the digit 4.
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