IKMCOfficial Paper
Official Paper IKMC 2023 - Benjamin
The official 2023 paper. Practise with a timer, automatic marking and a question by question review.
Time limit
180 minutes
Questions
30 questions
Maximum score
150 points
Question type
Multiple choice
How this paper is marked
- 1You start with 30 points, so your score cannot go negative.
- 2A wrong answer loses ¼ of that question points. Leaving it blank costs nothing.
Preview a few questions
Question 1 of 303 points
Holger fills the rest of the table with the numbers up to 40, following the system shown:
Which of the pieces shown could he cut from the table?
Which of the pieces shown could he cut from the table?- A
- B
- C
- D
- E
Question 2 of 303 points
Matchsticks can be placed to build numbers, as shown. For example, to build the number 15, one needs 7 matchsticks, and one needs the same number of matchsticks to build the number 8.
What is the largest positive number that can be built with seven matchsticks?
What is the largest positive number that can be built with seven matchsticks?- A31
- B51
- C74
- D711
- E800
28 more questions are waiting for you.
Your work is automatically saved, timed, and marked in detail right after submission.