what does this picture(rebus) riddle means ?

What always comes into a house through the keyhole?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

What is the next shape from answers A, B, C, and D figure?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

What does this Rebus Picture means ?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

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

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?