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Math Brain Teasers

Math brain teasers require computations to solve.

Brain Teasers

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  Titleˆ Popularity Difficulty Submitted  
31 101 *** *** 04/14/06 by Draw
32 101 Percent Surprise *** ** 11/11/07 by MarcM1098
33 10x10x10 Cube *** ** 01/13/08 by letmeforget8
34 11 By 8 *** *** 05/25/05 by superben
35 12 Days of Christmas *** ** 01/19/02 by ChemicalBoy08
36 12-digit Oddities *** **** 01/05/09 by javaguru
37 1200 Elephants *** ** 08/17/02 by michelle
38 13 cm Ruler *** *** 09/01/03 by Gerd
39 1316 *** ** 03/31/03 by smileysteve
40 14 1/2 degrees *** ** 04/02/02 by 204_blaze_41
41 144 Books *** *** 01/15/08 by shenqiang
42 15 Pigs *** ** 08/21/02 by pemalova
43 16, 1, 4, 12, -2, ? ** ** 12/12/11 by CrazyPineapple
44 192, 384, 576 *** *** 04/23/06 by kiss
45 1990 *** *** 05/31/02 by arij

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