Very sneaky noticing this pattern in the answers.
Encode Roman Numerals
Similar Triangles - find the height of the tree
Rotate a Matrix by 90 degrees
Is X a Fibonacci Matrix?
Rumis Scorer 2
Stress-Strain Properties - 4
Lights Out 8 - 5x5, light-only solution? I
Mechanical Advantage of a Gear Train
Divisible by 4
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