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# Using the following bills: $1,$5, $10,$20, $50--How many  post reply Question banks Downloads My Bookmarks Reviews Important topics Author Message Senior Manager Joined: 11 May 2004 Posts: 454 Location: New York Followers: 1 Kudos [?]: 49 [0], given: 0 Using the following bills:$1, $5,$10, $20,$50--How many [#permalink]

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08 Nov 2005, 19:18
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Using the following bills: $1,$5, $10,$20, $50--How many unique sums can be formed using any number of these bills only once? 20 24 31 75 120 Intern Joined: 06 Aug 2005 Posts: 3 Followers: 0 Kudos [?]: 0 [0], given: 0 ### Show Tags 08 Nov 2005, 19:23 total combination 5c0+5c1+5c2+5c3+5c4+5c5) =32. From this subract 5c0 which is none selected. So, 31. 08 Nov 2005, 19:23 Display posts from previous: Sort by # Using the following bills:$1, $5,$10, $20,$50--How many

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