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?

Which point will the car reach to go out?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

The Little ant seems to be always confused. Do you know why?

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

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

How many words can a pen with half refill write?

What is black when you buy it, red when you use it, and gray when you throw it away?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?