Probability of 3-digit combination correct if no digits can be repeated.

Hey math folks!
Here is a question for you:

What is the probability that you will get a 3-digit combination correct if no digits in the combination can be repeated?

Please show me how to solve it....

Thanks in advance

Quote:

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Originally Posted by IBstudent

What is the probability that you will get a 3-digit combination correct if no digits in the combination can be repeated?

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Well there are possible combinations.

Quote:

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Originally Posted by Plato

Well there are possible combinations.

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That is correct, may I ask how you got these numbers?

Okay nevermind guys I think I found out how.....
Thanks.