Anabelle is a clever trader of rare artefacts. Each day she carries three boxes each filled with thirty artifacts. The boxes can't hold more than that. She travels far in northern lands to sell these artefacts but on the way, she comes across thirty checkpoints where she has to shed one of the artefacts for each sack to the authorities for letting her pass.

How many artifacts will be left with her when she reaches her destination crossing all the checkpoints?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What is always in front of you but can’t be seen?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What can you catch but never throw?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?