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?

John was drowned by he was not wet. How?

What part of the chicken has the most feathers?

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

Which point will the car reach to go out?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Can you replace the question mark with the correct number?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?