I shave every day, but my beard stays the same. What am I?

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 ?

Count the squares in the matchstick puzzle below?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Keyboard words are not in alphabetical order, Why?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

using four eights (8) and a one (1) and one mathematical symbol , create the number 100