This puzzle was outside a coffee shop at my uni – what number replaces the question mark:
30 16 11 35
20 15 12 14
40 18 14 17
60 14 12 ?
Submitted by Unknown.
Number square puzzle
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on March 7, 2012
11 comments
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on March 6, 2012
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Fractions
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on March 5, 2012
1 comment
![rs4rG[1]](http://img.math-fail.com/wp-content/uploads/rs4rG1-600x667.jpg "rs4rG[1]")
(4.00 from 6 votes) Loading ...If fractions were susceptible to gravity
Posted by mathfail
on March 4, 2012
No comments
Source:http://www.whosay.com/DemetriMartin/photos/89224
Thansk to Demetri Martin for this submission!
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on March 1, 2012
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(4.77 from 13 votes) Loading ...Absolut(e) Value
Posted by mathfail
on March 1, 2012
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