There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

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?

Find the next number in the following series:
6, 14, 26, 98, __?

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

Below rebus represent famous DiCaprio movie. Can you name it?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What can go up a chimney down, but can’t go down a chimney up?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?