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2025 Math Kangaroo

Problem 7

Problem 7 · 2025 Math Kangaroo Medium
Spatial & Visual Reasoning spatial-reasoning

Alex steps on some lines on the ground (see picture on the right). What does the ground look like under his shoe?

Figure for Math Kangaroo 2025 Problem 7
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Answer: D
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Hint 1 of 2
The shoe only presses the part of the lines directly beneath it - the small shoe-shaped region.
Still stuck? Show hint 2 →
Hint 2 of 2
Match the curves inside the shoe outline to the matching part of the big picture.
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Approach: match the line pattern inside the shoe outline
  1. Only the lines under the shoe leave a mark, in the shape of the sole.
  2. Compare the curves and crossings in that region to each option.
  3. The pattern matches option D.
  4. So the ground under the shoe looks like D.
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