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?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Spot the cat in the picture below

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Can you find out the number of the parking space in which the car is parked?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What has no start, end, or centre?

What is black when you buy it, red when you use it, and gray when you throw it away?

Which five letter word can be added at the end of below word to form a
valid word?

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