What is the coolest letter in the alphabet?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

What always comes into a house through the keyhole?

What can you hold in your right hand, but never in your left hand?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What kind of band never plays music?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.