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?

What has one eye, but can’t see?

Replace the question mark with the correct number below.

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

What type of tree can I carry in my hand?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.