Sandy Wood
Brain Game: More Numb Numbers
by Sandy Wood - October 8, 2009 - 7:30 AM

THE SOLUTION:

41.

The numbers represent sequential three-character Roman numerals:
3 = III
7 = VII
12 = XII
14 = XIV
16 = XVI
19 = XIX
21 = XXI
25 = XXV
30 = XXX
41 = XLI

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