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

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?

I’m tall when I’m young, and I’m short when I’m old. What am I?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Can you name some countries which do not have the alphabet 'A' in them?

Can you find the key in the picture below?

Can you count the number of children in the picture below

What word is represented by this rebus?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?