Identify The phrase in the picture.

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

There is something which you can be arrested for attempting but not for successfully completing.

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

A man dies of old age on his 25 birthday. How is this possible?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Why do you find that most of the buildings are deprived of the 13th floor?