By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

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

Readers with high attention to detail can identify the vampire in the picture. Can you?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Find the missing number in the image below.

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

What does a man do only once in his lifetime, but women do once a year after they are 29?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?