1. Place six matchsticks in such a way that they all touch each other.
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2. Move only two matches and make four squares, one of them larger than the other three.
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3. Move four matches to form three equilateral triangles. [Hint. Who said three identical equilateral triangles?]
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4. Remove only four matches to leave exactly five identical squares.
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5. In the above puzzle, what is the smallest number of matches you can remove to leave just two squares?
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6. Place six matchsticks in such a way that they form 4 triangles of the same size and shape. [Hint. Think 3 -D]
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7. Move only one matchstick each to make the following equations true.
1.
2.
3.
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8. Moving only 3 coins, how can you make this triangle point downwards?
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9. Move just one coin to form two lines with four coins in each line.
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10. Add two coins to form ten lines with three coin in each line.