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November 28, 2014

November 28, 2014

Posted by **Brandon** on Wednesday, February 13, 2008 at 9:37pm.

- Math -
**Guido**, Wednesday, February 13, 2008 at 9:47pmA Permutation is an ordered Combination.

There are basically two types of permutation:

1-Repetition is Allowed.

2-No Repetition is allowed.

Your question is one without repetition.

To answer, multiply 50 x 49 x 48 =???

Why did I stop at 48?

Because the question states

"Each lock combination is an arrangement of 3 different numbers."

Now multiply the above numbers and you will find the answer.

Done!

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