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

Find the missing letter in the last circle logically in the given below picture.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What can go up a chimney down, but can’t go down a chimney up?

How many bananas can you eat if your stomach is empty?

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seat, so can you tell me , what i have done in this situation ?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Only Highly Attentive Can Spot The Ladder In This Library In 7 Seconds! Can You?

I don't get anymore wetter, no matter how much rain falls on me.