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?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

I am an odd number. Take away a letter and I become even. What number am I?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Make a sentence consisting of three words that have the whole alphabet.

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

what does this picture(rebus) riddle means ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.