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

How can one talk without saying a single word?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Can you count the number of triangles in the given figure?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

what's the probability of getting a king or a queen from a pack of 52 cards?

You see me once in June, twice in November, and not at all in May. What am I?

I am quite hot but become too cold if you remove the first two letters. What am I?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Find the missing number in the sequence below: