This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Can you place six X (crosses) in below board without making three in a row in any way ?

Can you replace the question mark with the correct number in the below table sequence?

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?

Can you count the number of quadrilaterals in the picture below?

How can you take 2 from 5 and leave 4?

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

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

What Does this text mean:

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You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?