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?

Name a key which is hardest to turn.

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

The answer I give is yes, but what I mean is no. What was the question?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Find the missing number in the sequence below:

If eleven plus two equals one, what does nine plus five equal?

Can you decipher the two rows to find the hidden word?