There are 9 Canadian, 8 German, 6 Chinese, 10 French and 8 Russian students in a class. What is the minimum number of students to be selected from this class to guarantee that at least 4 of them have the same nationality?

There are 9 Canadian, 8 German, 6 Chinese, 10 French and 8 Russian students in a class. What is the minimum number of students to be selected from this class to guarantee that at least 4 of them have the same nationality?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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There are 9 Canadian, 8 German, 6 Chinese, 10 French and 8 Russian students in a class. What is the minimum number of students
to be selected from this class to guarantee that at least 4 of them have the same nationality?

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