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16, 24, 36,… 81

  • A.52
  • B.54
  • C.56
  • D.58

Answer: B

Correct answer: 54

Each term is one and a half times the one before: \( 16 \times \tfrac32 = 24 \), \( 24 \times \tfrac32 = 36 \), so \[ 36 \times \tfrac32 = \mathbf{54} \] and \( 54 \times \tfrac32 = 81 \), as shown.

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