Mathematical and Physical Journal
for High Schools
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Problem C. 1362. (May 2016)

C. 1362. The volume of a cuboid is 10.9545 cm\(\displaystyle {}^3\), the arithmetic mean of the lengths of the edges is 2.2655 cm, and their harmonic mean is 2.1769 cm. Determine the length of the diagonal of the cuboid, to the nearest thousandth of a centimetre.

(5 pont)

Deadline expired on June 10, 2016.


Statistics:

24 students sent a solution.
5 points:Antal Márton, Csapó Márton, Csorba Benjámin, Dankowsky Anna Zóra, Fülöp Ágota, Gera Dóra, Horváth András János, Kasó Ferenc, Kiss Vivien Mercédesz, Kocsis Júlia, Komoróczy Ádám, Kormányos Hanna Rebeka, Kósa Szilárd, Lévay Mátyás, Moldován Péter, Nagy 911 Viktória, Perger Kitti, Sudár Ákos, Szabó Alexandra, Szajkó Gréta, Tatai Mihály.
4 points:Inges Zénó, Simon Ákos, Török Réka .

Problems in Mathematics of KöMaL, May 2016