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AMO · 2027 · Grades 4-5 · Self-study SET 27 Question 12

AMO

Question 12

The picture shows a $4\times4$ grid. How many grid-aligned squares of any size contain the small square marked X? Count only squares whose sides follow grid lines.

Question illustration

Choose one option.
  1. 1
  2. 4
  3. 5
  4. 10
  5. 16