I have branches, but no fruit, trunk or leaves. What am I?

When we see 2 but call 10?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

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

Solve the following series:
AZ, GT, MN, __, YB

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

Can you place six X (crosses) in below board without making three in a row in any way ?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?