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90, 180, 12, 50, 100, 200, ?, 3, 50, 4, 25, 2, 6, 30, 3

  • A.150
  • B.175
  • C.225
  • D.250

Answer: A

Correct answer: 150

Read in threes, the numbers 50, 100, 200 double each time, and the group that follows opens with 150 - the product of the two numbers that come after it, since \( 3 \times 50 = 150 \).

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