I have an eye but still cannot see.

Who am I?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

What has many keys but can’t open a single lock?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

What is more useful when it is broken?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

What word begins and ends with an E, but has only one letter?

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

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.