You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Who has married many women but was never married?

What number divided by 4 is the same as that number minus 4?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

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

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?