You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

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

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

What is the next number in this series?

4,12,84,3612....

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

The more it dries, the wetter it becomes. Can you tell what it is?