How is a fly different from a mosquito?

What breaks yet never falls, and what falls yet never breaks?

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?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What Deficiency does the below rebus represent?

VIT_MIN

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

What 5-letter word typed in all capital letters can be read the same upside down?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.