If you say my name, I will no longer exist. What am I?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

What is so fragile that saying its name breaks it?

Which number should replace the question mark?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Replace the question mark with the correct number in the below-given picture?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?