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BEBRAS 2019 Grade 9-10 Round 2 Ext Question 5

BEBRAS · BEBRAS 2019 Grade 9-10 Round 2 Ext

Question 5

Every dish in the beaver’s recipe book uses exactly four ingredients. It wants two dishes with different tastes. The original table is below.

Question illustration

Egg soup: eggs,onions,chicken,salt. Egg salad: salt,sauce,eggs,onions. Waldorf salad: sauce,walnuts,apples,celery. Pasta: noodles,onions,cheese,tomatoes. Wafers: flour,eggs,sugar,salt. Two dishes have the same taste if they share at least two ingredients, regardless of order. Which pair will certainly not be cooked together?
  1. Egg soup and egg salad
  2. Egg soup and Waldorf salad
  3. Egg soup and pasta
  4. Waldorf salad and wafers