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

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CBSE mathematics  for 7th, 8th, 9th, 10th 11th and 12th classes. Maths formulas for the students, Step by step maths basic concepts for the students. Maths practical and project work for the students.


Reading and teaching mathematics is a challenge for the people. The main reason here is that most of the people read mathematics but they don't have interest in it. Without interest students cannot read mathematics for longer time so they decided to quit. If a student study mathematics step by step then surely the subject become interested for him. Through this blog we will try our best to reach the needs of the students and make mathematics interesting and valuable to them

Daily online maths classes 

This facility is only to my school students. Other students cannot join regular maths classes.

By clicking on the link below students are able to find all that material which is helpful to learn and understand mathematics up to 12 standard. Through these links students can find the complete NCERT Solution of mathematics along with maths formulas and basic points  and chapter-wise maths assignments.

Maths Formulas and Assignments

Students of Classes 8th, 9th and 10th standard click here


Students of 11th and 12th standard  click here to get Complete NCERT Sol. Chapter wise maths formula and Assignment.


Lab Mannual or Lab Activities

Students click on the link below to find the 

General Mathematics for all levels.

Mathematics Lab Activities(Lab Manual) for Class XI

Mathematics Lab Activities(Lab Manual) for Class XI


E-Lesson Plan for Mathematics Teachers

For a teacher it is important to make a lesson plan. In mathematics lesson planning is an art. With the help of good planning a teacher can achieve his goal in the classroom. In the link given below teacher can find beautiful lesson planning in mathematics.


Teachers who wish to learn how to make the E-Lesson Plan in Mathematics can visit the Techniques of making E-Lesson Plans

Mathematics Assignments

Here systematic maths assignment along with the answers and solution hints for difficult questions  are given. Students can find variety of questions here.  






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