Problem 3 · 2024 Math Kangaroo
Easy
Spatial & Visual Reasoning
careful-counting
There are 8 different faces in the picture. Which face only appears once?
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Answer: E
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Hint 1 of 3
Look at what makes each face special: a hat, glasses, curly hair, or just dots for eyes.
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Hint 2 of 3
Pick one face at a time and hunt for its exact twin somewhere else in the picture.
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Hint 3 of 3
The answer is the face that has no twin — it shows up only one time.
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Approach: find the face that has no matching twin
- Each face is built from a few features: a hat, glasses, curly hair, or a plain face with dot eyes.
- Go through the faces and find the matching pairs — almost every face has a twin that looks exactly the same.
- One face has no twin at all: it appears just once, and that is the face in option E.
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