The host of a game show, offers the guest a choice of three doors. Behind one is a 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?

Using eight eights and addition only, can you make 1000?

What have one eye but still cannot see?

What is the word or phrase?

What do you think with the below Picture ?

Count the number of triangles in the given picture.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

A plane crashed between the border of Mexico and America. Where do you bury the survivors?