Discussion
120, 99, 80, 63, 48, ?
Answer: A
Correct answer: 35
Each term is one less than a square, counting downwards: \[ 11^2-1=120,\; 10^2-1=99,\; 9^2-1=80,\; 8^2-1=63,\; 7^2-1=48 \] so the next is \( 6^2 - 1 = \mathbf{35} \).
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