Can you identify if it's a murder or a suicide ?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I cannot talk, but I always reply when spoken to. What am I?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?