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

What is the coolest letter in the alphabet?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What is the longest word in the dictionary?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

10+10 and 11+11 can give you the same answer.

Explain how?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Can you find the thief by just looking at the picture below?