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Odd gaps 3, 5, 7, 9 link 4, 7, 12, 19, 28. Which number comes next?

A39
B38
C37
D40
Answer & Solution
Correct answer: A. 39
The gaps are 3, 5, 7, 9, so the next gap is 11 and 28 + 11 = 39.
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