What you cannot hold but it is yours?

How many triangles are there on the puzzle below?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

What is both possible and impossible at the same time?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

The centre of the third figure is empty. What digit should fit inside?

Which letter of the alphabet has the most water?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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?