Question
-Find the number of ways of putting 5 letters in the envelope in such a way that no letter is being put in the right
-Find the number of ways of putting 5 letters in the envelope in such a way that no letter is being put in the right envelope.
- In a holiday party, each 6 attendants brings in a gift and exchanges it with someone else in the party. Find the number of ways of exchanging so that no one gets his/her gift back.
- If you have 7 pairs of parentheses then how many valid groups of them one can make?
- The number of ways one can triangulate a regular polygon with 5 sides is...?
course code: 236 -combinatorial analysis
no need for paper please
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Machine Learning And Knowledge Discovery In Databases European Conference Ecml Pkdd 2010 Barcelona Spain September 2010 Proceedings Part 3 Lnai 6323
Authors: Jose L. Balcazar ,Francesco Bonchi ,Aristides Gionis ,Michele Sebag
2010th Edition
3642159389, 978-3642159381
