I shave every day, but my beard stays the same. What am I?

Can you name some countries which do not have the alphabet 'A' in them?

how come the second man dies?

If eleven plus two equals one, what does nine plus five equal?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

There is a place where if I stand up straight, I will still be considered sideways.

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Can you count the number of triangles inside a triangle?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

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 ?