30. At a conference, the 2016 participants are registered from P1 to P2016. Each participant from P1 to
P2015 shook hands with exactly the same number of participants as the one on their registration
number. How many hands did the 2016th participant shake?
(A) 1 (B) 504 (C) 672 (D) 1008 (E) 2015
International Contest-Game
Math Kangaroo Canada, 2016
Answer Key
Grade 9-10
1 A B C D E 11 A B C D E 21 A B C D E
2 A B C D E 12 A B C D E 22 A B C D E
3 A B C D E 13 A B C D E 23 A B C D E
4 A B C D E 14 A B C D E 24 A B C D E
5 A B C D E 15 A B C D E 25 A B C D E
6 A B C D E 16 A B C D E 26 A B C D E
7 A B C D E 17 A B C D E 27 A B C D E
8 A B C D E 18 A B C D E 28 A B C D E
9 A B C D E 19 A B C D E 29 A B C D E
10 A B C D E 20 A B C D E 30 A B C D E
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