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What fraction of the intergers etween 0 and 1000 include exactly two 6s 

 Nov 21, 2022
edited by Melody  Nov 21, 2022
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66 , 166 , 266 , 366 , 466 , 566 , 606 , 616 , 626 , 636 , 646 , 656 , 660 , 661 , 662 , 663 , 664 , 665 , 667 , 668 , 669 , 676 , 686 , 696 , 766 , 866 , 966 , >>Total permutations = 27 such integers

 

27 / 1000 - fraction of integers with exactly 2 sixes.

 Nov 21, 2022

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