Best riddles

Something very extraordinary happened on the 6th of May, 1978 at thirty-four minutes past twelve a.m. What was it?

Mr. Smith has 4 daughters. Each of his daughters has a brother. How many children does Mr. Smith have?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

A man worked for a high-security institution, and one day he went in to work only to find that he could not log in to his computer terminal. His password wouldn't work. Then he remembered that the passwords are reset every month for security purposes. So he went to his boss and they had this conversation: Man: "Hey boss, my password is out of date." Boss: "Yes, that's right. The password is different, but if you listen carefully you should be able to figure out the new one: It has the same amount of letters as your old password, but only four of the letters are the same." Man: "Thanks boss." With that, he went and correctly logged into his station. What was the new password? BONUS: What was his old password? HINT: It is nine letters long. Also, a "password" can be more than one word...

I’m teary-eyed but never cry, silver-tongued, but never lie. double-winged, but never fly, air-cooled, but never dry. What am I?

What rock group has four men that don't sing?

It is impossible to keep it until you give it someone else. What is that?

One company had two factories, in different parts of the country, that were making the same style of shoes. In both factories, workers were stealing shoes. How, without using any security, could that company stop the stealing?

How can you take 2 from 5 and leave 4?

I eat, I live. I breathe, I live. I drink, I die. What am I?