What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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?

What's a single-digit number with no value?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

What came first, the chicken or the egg?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

How could a baby fall out of a twenty-story building onto the ground and live?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?