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

What goes up but never comes down?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Can you count the number of triangles in the given figure?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

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

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Why do people go to bed?