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Bebras 2022 - Level 5 Question 9

BEBRAS · Bebras 2022 - Level 5

Question 9

Alex and Julia want to buy a cake for a birthday. The cake they want has alternating layers of biscuit and cream.

The shop has three cream flavors: chocolate, strawberry and vanilla. There are two kinds of biscuit: chocolate and egg biscuits.

The following figure shows an example of a cake made according to these rules.

Question illustration

Figure legend: chocolate cream or chocolate biscuit; vanilla cream or egg biscuit; strawberry cream.

Only four cakes remain in the shop. Because they do not like it, Alex and Julia decide not to buy a cake containing chocolate cream.

Which cake below will they buy?
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