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?

How can you tell a raw egg from a hard-boiled egg?

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?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?