People put me on the table and cut me but do not eat me. What am I?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

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

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Can you replace the question mark with the correct number?

What can you deduce from the following BrainBat?

CRY
LMKI

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145