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1001, 8001, 27001, 64001, 125001,…

  • A.261001
  • B.216001
  • C.200116
  • D.210016

Answer: B

Correct answer: 216001

Each term is a cube multiplied by a thousand, plus one: \( 1000\cdot1+1 \), \( 1000\cdot8+1 \), \( 1000\cdot27+1 \), \( 1000\cdot64+1 \), \( 1000\cdot125+1 \), so the next is \( 1000 \times 216 + 1 = \mathbf{216001} \).

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