Can you find the missing piece of the Porsche?

What country can make you shiver?

Look at the picture and find out which square is not linked with any of the other squares.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Can you find the six hidden animals in the picture below?

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