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BEBRAS 2018 Grade 3-4 Round 2 Ext Question 2

BEBRAS · BEBRAS 2018 Grade 3-4 Round 2 Ext

Question 2

Peter helps his mother bake a cake. Her instructions are:
1. Add butter to the bowl.
2. Add sugar.
3. Repeat three times: add one egg, then mix the bowl thoroughly.

Which procedure follows these instructions?
  1. Add butter, add sugar, mix.
  2. Add butter, add sugar, add one egg, mix.
  3. Add butter, add sugar, add three eggs, mix.
  4. Add butter, add sugar, add one egg, mix, add another egg, mix, add another egg, mix.