Problems for senior school

De, Prithiwijit and Shirali, Shailesh (2017) Problems for senior school. At Right Angles, 6 (3). pp. 104-107.

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At a party, it was observed that each person knew exactly twenty others. Also, for each pair of persons who knew one another, there was exactly one other person whom they both knew.

Item Type: Articles in APF Magazines
Uncontrolled Keywords: Parity, Integers, Combinatorics, Polynomials, Identities
Subjects: Natural Sciences > Mathematics
Divisions: Azim Premji University > University publications > At Right Angles
Depositing User: Mr. Sachin Tirlapur
Date Deposited: 20 Sep 2018 13:11
Last Modified: 25 Sep 2018 13:37
Publisher URL:

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