2 out of 3
Three people run up stairs at different rates. If they each start from a different point - who will win, come second and come last?
2 out of 3
Jo made a cube from some smaller cubes, painted some of the faces of the large cube, and then took it apart again. 45 small cubes had no paint on them at all. How many small cubes did Jo use?
1 out of 3
2 out of 3
An equilateral triangle rotates around regular polygons and produces an outline like a flower. What are the perimeters of the different flowers?
1 out of 3
Can you decide whether these short statistical statements are always, sometimes or never true?
1 out of 3
Is the age of this very old man statistically believable?
2 out of 3
Which countries have the most naturally athletic populations?
2 out of 3
If I tell you two sides of a right-angled triangle, you can easily work out the third. But what if the angle between the two sides is not a right angle?
