Top and most interesting fact about Mathematics 

Hello friend , I am Manohar Avinash . 

We know that Mathematics is the subject that we use in our daily life. Basically Mathematics is the form of equation science. All the equation and calculation of science solve by Mathematics. 

 definition According to Wikipedia :-

Mathematics includes the study of such topics as numbers, formulas and related structures, shapes and spaces in which they are contained, and quantities and their changes. There is no general consensus about its exact scope or epistemological status. 

        Mathematics is also called universal language. Today in this page we read about top fact of Mathematics. 

1) Zero ( 0 ) is the only number which can not be represented by Roman numerals.

2) -40°f= -40°c

3) plus (+ ) and minus (-) are since 1489 A.D.

4) The symbol for division (i.e.÷) is called an obelus.

5) 2 and 5 are the only prime numbers that end in 2 or 5.

6) Most mathematical symbols weren’t invented until the 16th century. Before that, equations were written in words.

7 )  “Forty” is the only number that is spelt with letters arranged in alphabetical order.

8) Conversely, “one” is the only number that is spelt with letters arranged in descending order.

9)  In a classroom of 23 people, there’s a 50% chance two of them have the same birthday. In a room of 75 people, the probability increases to 99%. 

10) “Four” is the only number, when written in English, whose spelling contains the same number of letters as the number itself.

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