Number series

Number series

Postby Guest » Tue Apr 09, 2013 3:18 pm

Hello,
I recently took a math iq quiz and would like help solving the following number series:
Which number is missing:
7 11 23 3
9 17 13
14

The choices were
a) 12 b) 13 c) 14 d) 15
Guest
 

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