Can you start the fire using two pieces of wood?
I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?
How many words can a pen with half refill write?
The measurement of time, That can't be found on a clock, But can be looked upon on a map. Who is He ?
A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?
Name a key which is hardest to turn.
A word I know, Six letters contain, Subtract just one, And twelve is what remains.
When can we add 2 to 11 and get 1 as the correct answer?
Buy me, smell me or deliver me, I do not change. Who am I?
What type of tree can I carry in my hand?
Why is 6 afraid of 7?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.