Discussion
Which number would replace the question mark (?) in the series 2, 7, 14, 23, ?, 47
Answer: B
Correct answer: 34
The gaps are the successive odd numbers: \( 7-2=5 \), \( 14-7=7 \), \( 23-14=9 \). The next gap is 11, giving \[ 23 + 11 = \mathbf{34} \] and \( 34 + 13 = 47 \), as shown.
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