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?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

There are 3 apples in the basket and you take away 2. How many apples do you have now?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

what one word does the below rebus identifies?

Can you count the number of matches in the picture below ?

Find the last number in the series below:

voN luJ yaM raM ---

The answer I give is yes, but what I mean is no. What was the question?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

How many times can you subtract the number 5 from 25?