Which is the correct shadow of the bird?

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

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

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)?

Do You See It?

I know a nine-letter word having only one vowel.
Do you ?

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.

How can you write nineteen in a manner that if we take out one, it becomes twenty?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?