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Alan has forgotten his 4-digit PIN code. He knows the second digit is even, and last digit is 7. How many different sets of 4 digits could it be?
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23 votes
23 votes
Alan has forgotten his 4-digit PIN code. He knows the second digit is even, and last digit is 7. How many different sets of 4 digits could it be?

User Guilherme Viebig
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2 Answers

22 votes
22 votes
I’m not positive but I think you would go 9x9x4 because it could be 1-9 for the first and third and 2,4,6 or 8 for the second
User Richard Torcato
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2.2k points
28 votes
28 votes

Answer:

500

Explanation:

User Folkert
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3.0k points
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