2, 3, 5, 9, 17, _ What is the next number in the sequence?
What four weights can be used to balance from 1 to 30 pounds?
There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes
Can you solve this picture maths equation?
Solve the equation by replacing the alphabet with numbers. MOM + MOM + NO = BOOK=
Alpha is Beta's sister. Gamma is a Beta mother. Delta is Gamma's father. Tango is Delta's mother. Then, How is Alpha related to Delta?
How can you write nineteen in a manner that if we take out one, it becomes twenty?
If, 20 % 5 = 24 21 % 7 = 33 42 % 6 = 67 Then; 66 % 6 = ?
Who is that with a neck and no head, two arms and no hands? What is it?
What will you call your mother's brother's brother-in-law?
As a whole I am both safe and secure. Behead me and I become a place of meeting. Behead me again and I am the partner of ready. Restore me, and I become the domain of beasts. What am I?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki
