Fun problems

Community Mathematics Centre, CoMaC (2013) Fun problems. At Right Angles, 2 (1). pp. 49-52.

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Abstract

Consider all three digit numbers with the property that the first digit equals the sum of the second and third digits. Examples of such numbers are 413, 615 and 404. We call this property ♥. Let X be the sum of all three digit numbers that have property ♥. Next, consider all four digit numbers with the property that the sum of the first two digits equals the sum of the last two digits. Examples of such numbers are 4123, 6372 and 4013. We call this property ♣. Let Y be the sum of all four digit numbers with property ♣

Item Type: Articles in APF Magazines
Authors: Community Mathematics Centre, CoMaC
Document Language:
Language
English
Uncontrolled Keywords: TU portion, H portion, Divisible, Digital.
Subjects: Natural Sciences > Mathematics
Divisions: Azim Premji University > University Publications > At Right Angles
Full Text Status: Public
URI: http://publications.azimpremjifoundation.org/id/eprint/1752
Publisher URL:

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