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Bebras 2021 - Level 3 Question 10

BEBRAS · Bebras 2021 - Level 3

Question 10

The beavers hide secret information in logs. The place where a log is stored depends on three attributes: its number of rings, number of lines and number of knots, as illustrated below.

Question illustration

Diagram labels: “Số vòng” = number of rings; “Số đường” = number of lines; “Số nút” = number of knots.

The rules for assigning logs to storage areas according to these attributes are shown below. We can see that the log above will be placed in area D.

Question illustration

The beavers have just received the following log:

Question illustration

In which area will they place this new log?
  1. Area A
  2. Area B
  3. Area C
  4. Area D