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    reedman's Avatar
    reedman Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 2, 2012, 01:48 PM
    Combinations of 4 numbers from 1 to 20
    How to list all the combinations from the following:-

    From the numbers 1 to 20 there are 4845 4 digit combinations - no repeat numbers.

    Using the lottery as an example, how would you list all of the 6 digit combinations (almost 14 million), in order to write them out.
    This is for examle only, I would be grateful for the answer re- 4 digits from 20.

    Thank you!
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Oct 2, 2012, 01:51 PM
    So what do YOU think ?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
    		  
    #3

    Oct 3, 2012, 07:31 AM
    Not sure what you mean by "write them out" - please clarify. You seem to be aware of how to determine what the number or possible combinations are - so are you trying to write a computer program to write them all out, or an excel spreadsheet?
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