What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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

What kind of tree can you carry in your hand?

Which letter of the alphabet has the most water?

Buy me, smell me or deliver me, I do not change.

Who am I?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Move four matchsticks to the below square to form three squares?

Can you solve the maths in the below-given picture equation?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

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