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

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

Why do Chinese men eat more rice than Japanese men do ?

What building has the most stories?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Which alphabet is a part of our body?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

A father's child, a mother's child, yet no one's son.

Who am I?