These brain teasers have been voted as the most difficult. Only teaser with at least 20 votes are shown. Good luck solving them!
|16456||The Grass Is...|
|16457||What's the Grade?|
|16458||Six and Six|
|16460||G W B = 43rd P of the USA|
|16466||When Fortune Smiles On You|
|16467||A Bird in Hand...|
|16468||Jungle Gym Hoopla|