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

Why Aeroplane windows are round?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

I look at you, you look at me, I raise my right, you raise your left. What am I?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Shyla was sleeping in her apartment when suddenly a robber broke into her house. He asked her to stay quiet and started looting the cash and jewelry. Suddenly the landline phone started ringing. The robber pointed a gun at Shyla and asked her to pick up and talk without giving away the situation.

She picked up the phone and it happened to be her husband. She spoke, Is it an emergency darling? Do give me a call when your flight lands, I will prepare your favorite food that will help you relieve the stress. Then she hanged up.

10 minutes after, the police arrive at the scene and catch the robber. How did the police know about the robbery?