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

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

I don't get anymore wetter, no matter how much rain falls on me.

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

My sock drawer has 26 blue socks, 13 pink socks, 33 green socks, and 12 red socks, how many socks would I have to pull out in the dark to be sure I had a matching pair?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Find the hidden tiger in the given optical illusion ?