Puzzle | Man fell in well Puzzle

A man fell in a 50m deep well. He climbs 4 meters up and slips 3 meters down in one day. How many days would it take for him to come out of the well?

Answer: 47days

Explanation:

On the first day, the man climbs 4 meters up and slips 3 meters down, therefore he only climbs 1 meter up totally.
On the second day, again he climbs 1 meter up, so the total distance climbed is 2 meters till the second day. Therefore, the man climbs 1 meter every day.