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?

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?

What does this Rebus Picture mean?

What is the next number in this series?

4,12,84,3612....

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Using eight eights and addition only, can you make 1000?

What is always in front of you but can’t be seen?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

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