Problem P. 4833. (April 2016)
P. 4833. During a road repair an old water pipe was found. How can it be decided whether the pipe is used or not without cutting the pipe, and if it is still used how can be the direction of the water flow determined?
Deadline expired on May 10, 2016.
25 students sent a solution. 3 points: Horváth 914 Bálint, Kelkó Balázs, Keltai Dóra, Makovsky Mihály, Merkl Gergely, Nagy Nándor, Náray Balázs, Nyerges Dóra, Páhoki Tamás, Pintér 345 Balázs, Póta Balázs, Roskó Kristóf, Simon Dániel Gábor, Solymosi Réka, Tanner Martin, Vida Tamás, Zeke Norbert. 2 points: Debreczeni Tibor, Márkus Tamás. 1 point: 2 students. 0 point: 4 students.