Dictionary Rank of a Word | Permutations & Combinations

 PERMUTATIONS & COMBINATIONS Rank of the word or Dictionary order of the English words like COMPUTER, COLLEGE, SUCCESS, SOCCER, RAIN, FATHER, etc. Dictionary Rank of a Word Method of finding the Rank (Dictionary Order) of the word  “R A I N” Given word: R A I N Total letters = 4 Letters in alphabetical order: A, I, N, R No. of words formed starting with A = 3! = 6 No. of words formed starting with I = 3! = 6 No. of words formed starting with N = 3! = 6 After N there is R which is required R ----- Required A ---- Required I ---- Required N ---- Required RAIN ----- 1 word   RANK OF THE WORD “R A I N” A….. = 3! = 6 I……. = 3! = 6 N….. = 3! = 6 R…A…I…N = 1 word 6 6 6 1 TOTAL 19 Rank of “R A I N” is 19 Method of finding the Rank (Dictionary Order) of the word  “F A T H E R” Given word is :  "F A T H E R" In alphabetical order: A, E, F, H, R, T Words beginni

Resource Centre Mathematics

 Resource Centre Mathematics

Mathematics worksheet, mathematics basic points and formulas, mathematics lesson plan, mathematics multiple choice questions



CLASS IX

MATHEMATICS FORMULAS 
 BASIC CONCEPTS

Basic concepts, Definitions, Formulas and full study material  in Mathematics

Mathematics Assignments Class IX

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MCQ Class IX Chapter 1

MCQ Class IX Chapter 2

MCQ Class IX Chapter 4

Lesson Plan Mathematics Class IX

Lesson Plan / E-Lesson Plan in Mathematics with useful Hyperlinks

These are useful and very interesting lesson plans with important hyperlinks and are very helpful in teaching mathematics. These Lesson Plans are also useful for the students.

 

CLASS-X

MATHEMATICS FORMULAS 
 BASIC CONCEPTS

Basic concepts, Definitions, Formulas and full study material  in Mathematics

Mathematics Assignments Class - X

Assignment Ch-1 Real Numbers

Assignment Ch-2 Polynomials

Assignment Ch-3 Pair of Linear Equations in two Variables.

Assignment Ch-4 Quadratic Equations

Assignment Ch-5 Arithmetic Progression

Assignment Ch-6 Similarity of Triangles

Assignment Ch-7 Coordinate Geometry

Assignment Ch-8 Trigonometry

Assignment Ch-9 Application of Trigonometry

Assignment Ch-10 Circle

Assignment Ch-12 Area Related to Circle

Assignment Ch-13 Surface Area and Volume

Assignment Ch-14 Statistics

Assignment Ch-15 Probability

DAV STUDY METERIAL 
For Class 10

Mathematics PPT, Assignment, worksheets and Videos

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E-Lesson Plan on Mathematics
10th Standard. 

These are useful and very interesting lesson plans with important hyperlinks and are very helpful in teaching mathematics for class 10. These Lesson Plans are also useful for the students of class X

 

CLASS-XI

MATHEMATICS FORMULAS 
 BASIC CONCEPTS

Basic concepts, Definitions, Formulas and full study material  in Mathematics

Multiple Choice Questions (MCQ)
 in Mathematics for Class 11

MCQ Ch-1 Set Theory

MCQ Ch-2 Relations & Functions

MCQ Ch-5 Complex Numbers

MCQ Ch-9 Sequence & Series

MCQ Ch-10 Straight Lines

MCQ Ch-13 Limits & Derivatives

MCQ Ch-15 Statistics

CASE STUDY BASED QUESTIONS CLASS 11

DAV STUDY METERIAL 

For Class 11

Mathematics PPT, Assignment, worksheets and Videos

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E-Lesson Plan on Mathematics
11th Standard.

These are useful and very interesting lesson plans with important hyperlinks and are very helpful in teaching mathematics for class 11. These Lesson Plans are also useful for the students of class XI

 

CLASS-XII

MATHEMATICS FORMULAS 
 BASIC CONCEPTS

Basic concepts, Definitions, Formulas and full study material  in Mathematics

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Common Errors Made by the students while solving the questions

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Mathematics Assignments 

Class - XII

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Multiple Choice Questions (MCQ)
 in Mathematics For Class 12

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E-Lesson Plan on Mathematics
12th Standard.

These are useful and very interesting lesson plans with important hyperlinks and are very helpful in teaching mathematics for class 12. These Lesson Plans are also useful for the students of class XII

 

Practical & Projects  

Mathematics Lab Manuals and Project work For Students of classes 9th to 12

 

DAV STUDY METERIAL 
For Class 12

Mathematics PPT, Assignment, worksheets and Videos

From LKG to XII

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