If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

What does this mean?

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If 1+9+8=1, what is 2+8+9?

This was asked in an interview with Coa-Cola.

The interviewer has given me 100 marbles(50 white and 50 black) and two empty boxes.
He then told me that he will leave the room and i need to place all the marbles in two boxes.

And When he come back, he will draw a marble from any of the two box and if the marble is white I will be hired.

Also
* No box can be empty.
* All 100 marbles must be placed in one of the two boxes.

So what should I have done?

Which number should replace the question mark?

If eleven plus two equals one, what does nine plus five equal?

A Car driver was heading down a street in Washington. 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 right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

What goes up but never comes down?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?