A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Count the number of squares in the picture below.

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

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

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Can you divide the below-given shape into four equal and identical pieces?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?