Eight of us go fourth, not back, to protect our king from an attack. What are we?

What country can make you shiver?

What breaks yet never falls, and what falls yet never breaks?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

What makes this number unique: 8,549,176,320?