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

What's a single-digit number with no value?

Identify the 10 differences between the two given pictures.

What word begins and ends with an E, but has only one letter?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

Where do you go to learn how to make ice cream?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?