Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

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

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

What is the Surname of Barbie Doll?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

Which is the correct shadow of the bird?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?