How many different three-digit security codes are possible using the digits 1-5, if the second digit cannot be the same as the first, and third digit cannot be the same as the second?

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Adhg asked Jan 4, 2023

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9 votes

How many different three-digit security codes are possible using the digits 1-5, if the second

digit cannot be the same as the first, and third digit cannot be the same as the second?

Mathematics
high-school

Adhg asked Jan 4, 2023

by Adhg

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1 Answer

20 votes

Answer:

1-3-5

Explanation:

Muniro answered Jan 10, 2023

by Muniro

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