I have eight fingers and two thumbs but I do not live. What Am I?

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

Where do fish keep their money?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A solo dice game is played. In this game, upon each turn, a normal pair of dice is rolled and the score is calculated not by adding the numbers but multiplying them.

In a particular game, the score for the second roll is five more than what was achieved in the first roll. The score for the third roll is six less than what was completed in the second roll. The score for the fourth roll is eleven more than what was achieved in the third. The score for the fifth roll is eight less than what was completed in the fourth.

Can you calculate the score for each of the five throws?

Which tank will fill first?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.