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BEBRAS 2026 Grade 7-8 Round 2 Ext Question 11

BEBRAS · BEBRAS 2026 Grade 7-8 Round 2 Ext

Question 11

Beaver sorts apples by weight into eight grades, each sent to its own packing area. In the automatic sorter, an apple falls right at a sensor if its weight is at least the displayed threshold; otherwise it falls left. Some apples have already been sorted as shown, but displays A, B and C are broken.

Question illustration

Which triple could be the thresholds A, B, C, in that order?
  1. 12 – 7 – 20
  2. 10 – 5 – 18
  3. 11 – 6 – 17
  4. 13 – 8 – 19