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

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What is the longest word in the dictionary?

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 is the correct shadow of the bird?

What has many teeth, but cannot bite?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?