I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Whats the next number in the below number sequence pattern.

I make two people out of one. What am I?

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?

Give it food and it will live; give it water and it will die.

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?