A father's child, a mother's child, yet no one's son.

Who am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

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

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?

Count the number of lines in the image 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?

What does does this rebus picture means ?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

No matter how little or how much you use me, you change me every month. What am I?