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Which number should come next in 6, 7, 15, 42, 106, ?

Competition practiceNumber Series
  • A231
  • B222
  • C206
  • D241

Step-by-Step Solution

Differences are 1, 8, 27, 64 (cubes of 1, 2, 3, 4). The next difference is , so 106 + 125 = 231.
Answer: A) 231

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