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Showing posts from December, 2020

### 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

### Introduction to logarithms Introduction to logarithms Simple explanations and the implementations of logarithmic formulas in solving complicated mathematical problems. Indices, logarithmic formulas and logarithmic tables are explained here Logarithmic Tables ******************

### Math Assignment Class X Ch-8 | Trigonometry Math Assignment / Class X / Chapter 8 /  Trigonometry Extra questions of chapter 8 class 10 Trigonometric Functions with answer and  hints to the difficult questions. Important and useful math assignment for the students of class 10 For better results Students should learn all the  basic points of Trigonometry   Student should revise NCERT book thoroughly with examples. Now revise this assignment. This assignment integrate the knowledge of the students. ASSIGNMENT FOR 10 STANDARD TRIGONOMETRY ********************************************************************************   THANKS FOR YOUR VISIT  PLEASE COMMENT BELOW  https://www.cbsemathematics.com