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

What word is represented by this rebus?

What is the next number in this matchsticks series riddle?

Can you count the number of lines in the below picture?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Can you find the missing piece of the Porsche?

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

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