UK Bebras

 
 

Rubric

The aim of the Challenges:
Solve as many problems as you can in 40 minutes.
You are not expected to finish!

Rules:
The problems come in three levels of difficulty: A, B and C.
The "A" problems are the easiest. "C" problems the hardest.
You can 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:

Difficulty Correct Incorrect Unanswered
A +6 points 0 points 0 points
B +9 points -2 points 0 points
C +12 points -4 points 0 points