Question 21
Malte has a bar made of 27 joined Lego bricks, as shown. He breaks it into two smaller bars so that one is twice as long as the other. Then he takes one of the two bars and again breaks it into two parts with one twice as long as the other. He repeats this several times. Which of the bars below can he not obtain?
- 2
- 4
- 6
- 8
- 10
