A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

The more it dries, the wetter it becomes. Can you tell what it is?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

If an electric train is travelling south, then which way is the smoke going?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

I look at you, you look at me I raise my right, you raise your left. What am I?