Replace the question mark with the number below given a simple math problem.

What will you call your mother's brother's brother-in-law?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Find the number of squares in the below picture

Can it be possible to build a house that has all its four walls facing towards the South?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

I have branches, but no fruit, trunk or leaves. What am I?