These brain teasers have been voted as the most difficult. Only teaser with at least 20 votes are shown. Good luck solving them!
|16459||The Grass Is...|
|16460||What's the Grade?|
|16461||Six and Six|
|16463||G W B = 43rd P of the USA|
|16469||When Fortune Smiles On You|
|16470||A Bird in Hand...|