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2019 Math Kangaroo

Problem 6

Problem 6 · 2019 Math Kangaroo Easy
Spatial & Visual Reasoning gridspatial-reasoning

Karina cuts out a piece of this form from the diagram on the right. Which one of the following pieces can she cut out?

Figure for Math Kangaroo 2019 Problem 6
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Answer: B
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Hint 1 of 2
The cut piece is two side-by-side cells, so look for that exact pair of symbols in the grid.
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Hint 2 of 2
Scan every horizontal neighbouring pair in the diagram and see which option's two symbols actually sit next to each other.
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Approach: find a matching adjacent pair in the grid
  1. Karina removes a 1-by-2 horizontal piece, i.e. two neighbouring symbols.
  2. Check each option's pair against horizontally adjacent cells in the grid.
  3. Only the star-and-club pair from option B appears side by side.
  4. So she can cut out B.
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