Two combinatorial problems

Community Mathematics Centre, CoMaC (2014) Two combinatorial problems. At Right Angles, 3 (3). pp. 70-72.

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‘Good’ subsets The following problem was posed in a recent mathematics contest: Problem. Consider all three-element subsets of the set SSSS given by Call a subset ‘good’ if the sum of its elements is a multiple of SS. Thus, SSSSSS SSSS SSSS is good, but not SSSSSS SSSS SSSS. Find the number of good three-element.

Item Type: Articles in APF Magazines
Authors: Community Mathematics Centre, CoMaC
Document Language:
Uncontrolled Keywords: Problem, Mathematics, Contest, Good’ subsets
Subjects: Natural Sciences > Mathematics
Divisions: Azim Premji University > University Publications > At Right Angles
Full Text Status: Public
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