Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up?
New to KöMaL?

Problem K. 471. (October 2015)

K. 471. Barbara has one 5-forint coin (HUF, Hungarian currency), one 10-forint coin, one 20-forint coin, three 50-forint coins and three 100-forint coins in her purse. How many different amounts can she pay exactly (that is, without getting back any change)?

(6 pont)

Deadline expired on November 10, 2015.


137 students sent a solution.
6 points:68 students.
5 points:19 students.
4 points:8 students.
3 points:12 students.
2 points:5 students.
1 point:9 students.
0 point:12 students.
Unfair, not evaluated:4 solutionss.

Problems in Mathematics of KöMaL, October 2015