Bebras (Part 2 March 2020)
Use this site to practice different questions and review past challenges.
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Bebras (Part 1 November 2019)
Challenge 13/11/2019 (click the link)
Challenge Practice weblinks:
2018
2017
The aim of the Challenges? To solve as many problems as you can in 40 minutes.
You are not expected to finish!
Notes:
The problems come in three levels of difficulty: A, B and C.
The "A" problems are the easiest. "C" problems the hardest.
Find a problem's difficulty in the problem overview before you click on it. The difficulty of a problem determines how it will be scored.
The scoring rules are as follows: