Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

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?

I make two people out of one. What am I?

Before Mount Everest was discovered, what was the highest mountain in the world?

Which of the below owl is odd one out?

What has hands, but can’t clap?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

How can you drop a raw egg from a height onto a concrete floor without cracking it?