Skip to content / Đến nội dung
ThichHocToan.com

Bebras 2022 - Level 6 Question 4

BEBRAS · Bebras 2022 - Level 6

Question 4

In a game on a row of tiles containing chips, a beaver visits each cell from left to right. How the chips change depends on whether the beaver is holding or wearing its hat, as described below.

Question illustration

| Beaver state | Entering an empty cell | Entering a cell with a chip |
|---|---|---|
| Holding the hat | The beaver keeps holding the hat and moves to the next cell. | The beaver puts on the hat, removes the chip from the cell just entered and continues. |
| Wearing the hat | The beaver places a chip in the cell just entered, takes the hat in its hand and continues. | The beaver keeps wearing the hat, leaves the chip and continues. |

For the cells shown below, if the beaver is initially holding its hat, what arrangement of chips will remain at the end?

Question illustration
  1. Question illustration
  2. Question illustration
  3. Question illustration
  4. Question illustration