A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What do you answer even though it never asks you questions?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Which flower has two lips?

Can you decipher the below rebus?

PBLUESAISNUERSES

I always drive my customer away.

Who am I?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?