Why Aeroplane windows are round?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

If six children and two dogs were under an umbrella, how come none of them got wet?

Count the number of triangles in the picture below:

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Guess the hidden movie name?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

How can you tell a raw egg from a hard-boiled egg?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.