These brain teasers have been voted as the most difficult. Only teaser with at least 20 votes are shown. Good luck solving them!
|16501||Mr. Knowitall (knowitall)|
|16502||Tick and Tock|
|16506||Bananas are for Eating|
|16507||A Couple Of Couples|
|16508||Houses on the Street|
|16512||Which weighs more?|