A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

You bought me for dinner but never eat me. What am I?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What has a ring but no finger?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

What is the end of everything?