Can you find the odd number in the following?

2716, 4135, 5321 and 7145

If you say my name, I will no longer exist. What am I?

When 99 is considered higher than 100?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

It belongs to you, but other people use it more than you do. What is it?

You need to arrange three 7 and mathematical symbols to form number 1?