What building has the most stories?
Name a key which is hardest to turn.
Prove that the below maths equation is true. 8 + 8 = 91
Which alphabet letter is a question?
What has no start, end, or centre?
What do you get if you add 2 to 100 four times?
Who always enjoys poor health?
Why is Saturday stronger than Monday?
There was a strange boy who was born before his father. How can this be possible?
What is the centre of gravity?
Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.