MATHEMATICS 

BODMAS RULE

When more than one mathematical operations (+,-,x,÷) Are given in an expression, then we solve it by using BODMAS rule serially.

B-Bracket [{( )}]

O-Of [it also represent multiplication]

D- Division 

M-Multiplication 

A-Addition

S-Subtraction

Simplification Bracket

( ) -Small Bracket

{ }-Curly Bracket

[ ]-Square Bracket 




1.Number System

2.Decimal Fraction

3.Simplification 

4.HCF and LCM

5.Square and Cube Root

6.Average

7.Ration and Proportion 

8.Percentage

9.Simple and Compound Interests

10.Profit and loss

11.Problem based on ages

12.Time and work

13.Time, Speed and Distance

14.Pipe and Cistern 

15.Clock and Calendar

16.Algebra

17.Area and perimeter

18.Volume

19.Geometry

20.Trigonometry

21.Statistics

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Number System

Numbers are everywhere in our daily life for counting measuring ,

labelling, ordering and coding. In the most popular, the Hindu-Arabic system, we use the symbol 0,1,2,3,4,5,6,7,8 and 9. these Symbols are called digits. Out of these ten digits,0 is called an insignificant digit where as the others are called significant digit.  

Number

A mathematics symbol represented by a set of digits is called a number.

Example-18056355

Core  Ten lakh Lakh Ten Thousand  Thousand Hundred Ten Unit

1          8           0             5                 6               3             5      5