Why is 6 afraid of 7?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

In the image given, you can find several triangles. Can you count them all?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What have one eye but still cannot see?