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

Replace the question mark with the correct number in the below-given picture?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

With the help clues provided in the image, can you find the 5 digit key?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

What's the only room from which no one can enter or leave

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

Can you move 2 matchsticks to form four equal sized squares.

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

What is the next number in the series?

15 29 56 108 208 ?