I got tired of solving these problems. So, I just wrote a solution that works for everything.
Who Has the Most Change?
Most nonzero elements in row
Find state names that start with the letter N
Bottles of beer
Is this triangle right-angled?
Scrabble Scores - 4
Lights Out 7 - 5x5, x moves
Not square-free number sequence
Combined Ages 2 - Symmetric, n ≥ 3
Is it really a 5?
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