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#1 sk8rkat

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Posted 26 February 2008 - 03:30 AM

The following numbers can be put in numerous orders-

1 9 2 4 6 8 7

How many possible orders can that list of different numbers be put in different orders?


Here is an example: [remember to include this order in your guess]
9 1 2 4 6 8 7

*also- remember to include the FIRST set of numbers

Edited by sk8rkat, 26 February 2008 - 03:31 AM.

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#2 bonanova

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Posted 26 February 2008 - 10:04 AM

The following numbers can be put in numerous orders-
1 9 2 4 6 8 7
How many possible orders can that list of different numbers be put in different orders?
Here is an example: [remember to include this order in your guess]
9 1 2 4 6 8 7
*also- remember to include the FIRST set of numbers

Spoiler for about

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The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
- Bertrand Russell

#3 Arie-

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Posted 26 February 2008 - 10:08 AM

The following numbers can be put in numerous orders-

1 9 2 4 6 8 7

How many possible orders can that list of different numbers be put in different orders?


Here is an example: [remember to include this order in your guess]
9 1 2 4 6 8 7

*also- remember to include the FIRST set of numbers


Spoiler for answer

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#4 brhan

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Posted 26 February 2008 - 12:04 PM

Permutation of 7, taking 7 at a time:

P(7,7)=7!/(7-7)!=5040 ways
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#5 storm

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Posted 27 February 2008 - 04:08 AM

7!=5040
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