What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Can you find the company name in the pictogram below?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

Spot 5 differences in two Christmas tree below:

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Can you count the number of lines in the below picture?

I shave every day, but my beard stays the same. What am I?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?