What has many keys but can’t open a single lock?
You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?
What word begins and ends with an E, but has only one letter?
Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
If eleven plus two equals one, what does nine plus five equal?
How many sides does a circle have?
How many times can you subtract the number 5 from 25?
When my father was 31 I was 8. Now he is twice as old as me. How old am I?
Can you write down eight eights so that they add up to one thousand?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.
