## Math Brain Teasers

Math brain teasers require computations to solve.

## Brain Teasers

Title | Popularity | Difficulty | Submitted | ||

76 | Make 2003 | 07/11/03 | by vetriselvan | ||

77 | The Romankachi Clock Problem !!! | 09/26/04 | by lesternoronha1 | ||

78 | Gamble'n | 04/01/05 | by Blademaster | ||

79 | Powerful Weights and Measures | 05/05/06 | by CyberPhunk | ||

80 | Reverse Engineering | 07/25/02 | by dewtell | ||

81 | Easy As Cake | 10/31/06 | by stil | ||

82 | Two Aging Mathematicians | 03/30/03 | by snaps | ||

83 | Eighth Powers | 04/12/06 | by shenqiang | ||

84 | Sixes, Sixes, Everywhere! | 10/11/14 | by duhya | ||

85 | Sum of Cubes | 04/20/06 | by lessthanjake789 | ||

86 | Mad Ade's Kebab Essay | 04/18/04 | by mad-ade | ||

87 | 4 X 4 | 07/28/08 | by chevybaby02 | ||

88 | 3 to 40 | 07/18/03 | by mathemagician | ||

89 | Special Number | 04/13/02 | by spysniper21 | ||

90 | Add to a Square Number | 04/14/11 | by shenqiang |