John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

People put me on the table and cut me but do not eat me. What am I?

What Adam and Eve do not have but the rest of the people have?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What type of tree can I carry in my hand?

I travel all around the world but always stay in the corner. What am I?