Question bank IKMC 2024

Which number is in the triangle and also in the square and also in the circle?

Which pencil is the longest?

There are 8 different faces in the picture. Which face only appears once?

Bruno builds a big triangle. To do this, he uses these triangles of equal size. How many more of these triangles does he need so that the big triangle is completely filled?

Each of the numbers 1, 2, 5 and 6 in the picture is made by folding a strip of paper. Which strip is the longest?

Tim has black and white squares of paper. He sticks the squares on the inside of a window so that this pattern emerges. Which pattern can be seen from outside?

Chen has these 5 baskets with 4 toys in each. Four baskets fall down and the toys lie mixed up on the floor. Which basket did he not drop?

In the table, each shape stands for a different number. What number does the star stand for?

Marina draws these five pictures: smiling sun, ghost, cat, crescent moon and flame. Marina repeats them in the same order over and over again. Which picture is the 27th picture?

Ali chooses 2 numbers from the board and adds them together. How many different results are possible?

Chiara has a see-through cube. Inside there are 6 small cubes, see picture. What does Chiara see if she looks at the cube from above?

Anna, Bella, Che and Dimitry each have three shapes. Each child has exactly one of their shapes the same as one of the other children.

Anna has triangle, circle, square:
Bella has heart, square, star:
Che has star, triangle, diamond:

Which shapes does Dimitry have?

Editorial clarification: compare each pair of children; each pair has exactly one shape in common.

Zoran builds towers made from three different building blocks. The picture shows the heights of three towers. How high is the fourth tower?

Andrew throws arrows at a target board. He starts with 10 arrows. Each time he hits the target, he gets 2 more arrows. In total Andrew throws 20 arrows. Then he has run out of arrows. How often did Andrew hit the target?

These two pictures show a bridge at different times. All cars are the same length. The numbers state the distances between the cars or between the cars and the end of the bridge. How long is each car?

Which square was divided into two different figures?

Lizzy has 7 coins of a kind. She buys three fruits at the market. Each fruit has a different price. How much is the most expensive fruit?

The rectangle on the right consists of 4 rows and 7 columns. In total, it consists of 28 white squares. Ira paints 2 rows and 1 column. How many squares remain white?

Firefighter Fred wants to put out the fire. What is the smallest number of ladders he has to climb in the picture on the right, to get to the fire without jumping?

Ben has built a structure. A cat has thrown a cube off his structure, as shown. Which of these structures did Ben build?