# CBSE Class 11 Mathematics Permutation And Combination Formulas And Questions

Download CBSE Class 11 Mathematics Permutation And Combination Formulas And Questions in PDF format. All Revision notes for Class 11 Mathematics have been designed as per the latest syllabus and updated chapters given in your textbook for Mathematics in Class 11. Our teachers have designed these concept notes for the benefit of Class 11 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 11 Mathematics for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 11 Mathematics given on studiestoday

## Revision Notes for Class 11 Mathematics Chapter 7 Permutations and Combinations

Class 11 Mathematics students should refer to the following concepts and notes for Chapter 7 Permutations and Combinations in Class 11. These exam notes for Class 11 Mathematics will be very useful for upcoming class tests and examinations and help you to score good marks

### Chapter 7 Permutations and Combinations Notes Class 11 Mathematics

7. How many words can be formed out of letters of the word "TRIANGLE". How many of those will begin with 'T' and end with 'E'?
8. In how many ways can 3 prizes be given to 10 students when a student can receive any number of prizes?
9. How many different arrangements can be made from the letters of the word "ENGINEERING"?
10. In how many ways can 6 beads of different colours form a necklace?
11. Evaluate 10C7 + 10C6 ?
12. If C(2n,3):C(n,3):: 11:1 ,find 'n'?
13. Find the no. of straight lines and no. of triangles that can be formed from 15 non collinear points?
14. Find the no. of all 4-digit nos. with no digit being repeated?
15. Find the no. of all 3-digit even natural nos?

LONG ANSWER TYPE QUESTIONS(4 MARKS)
1. How many nos. greater than 56000 can be formed by using the digits 4,5,6,7,8 if no digit is repeated in any no.?
2. Find the no. of ways in which the letters of "ARRANGEMENT" can be arranged so that the 2 R's and 2 A's don't occur together?
3. A committee of 6 is to be formed from 6 boys and 4 girls. In how many ways can this be done if the committee contains :
(a) 2 girls? (b) atleast 2 girls?

4. A man has 7 relatives , 4 of them are ladies and 3 gentlemen, his wife also has 7 relatives , 3 of them are ladies and 4 gentlement. In how many ways can they invite a dinner party of 3 ladies and 3 gentleman so that there are 3 of man's relatives and 3 of wife's relatives?
5. Find the no. of all possible arrangement of the letters of the word "MATHEMATICS" taken 4 at a time?
6. From a class of 25 students, 10 are to be chosen for an excursion party. there are 3 students who decide that either all of them will join or none of them will join. In how many ways can the excursion party be chosen?
7. Find the no. of ways in which 5 boys and 5 girls can be seated in 10 seats in a row if the boys and girls are to be seated alternately?
8. In how many ways can the letters of the word "ASSASSINATION" be arranged so that all the S's are together?
9. In an experiment, a question paper consists of 12 questions divided into 2 parts i.e part1 & part2 containing 5 & 7 questions. A student is required to attempt 8 questions in all, selecting atleast 3 from each part. In how many ways can a student select the questions?
10. How many 6-digit nos. can be formed from the digits 0,1,3,5,7,9 which are divisible by 10 and no digit is repeated?
11. Prove that 2nCn= (1.3.5.7.....(2n-1)X2n)/n!
12. How many even nos. are there with 3-digits such that if 5 is one of the digits, then '7' is the next digit?
13.A teacher wants to arrange 5 students on the plat form such that the buy YUSUF occupies the first position and the girls GEETA & SEETA are always together. How many such arrangements are possible?
14. How many different nos. with distinct digits can be formed from the digits 2,3,5,7,9. How many of them are odd?

Please refer to attached file for CBSE Class 11 Maths Permutation and Combination Formulaes and Questions

 CBSE Class 11 Mathematics Set Theory Notes
 CBSE Class 11 Mathematics Relations And Functions Notes
 CBSE Class 11 Mathematics Complex Numbers Quadratic Equations Notes
 CBSE Class 11 Mathematics Linear Inequalities Notes
 CBSE Class 11 Mathematics Permutation And Combination Formulas And Questions CBSE Class 11 Mathematics Permutation And Combination Notes
 CBSE Class 11 Mathematics Sequence And Series Formulas And Questions CBSE Class 11 Mathematics Sequence And Series Notes
 CBSE Class 11 Mathematics Straight Lines Formulas And Questions
 CBSE Class 11 Mathematics Coordinate Geometry Formulas And Questions CBSE Class 11 Mathematics Three Dimensional Geometry Notes
 CBSE Class 11 Mathematics Limits And Derivatives Notes
 CBSE Class 11 Mathematics Mathematical Reasoning Notes
 CBSE Class 11 Mathematics Statistics Notes
 CBSE Class 11 Mathematics Probability Notes

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### CBSE Class 11 Mathematics Chapter 7 Permutations and Combinations Notes

We hope you liked the above notes for topic Chapter 7 Permutations and Combinations which has been designed as per the latest syllabus for Class 11 Mathematics released by CBSE. Students of Class 11 should download and practice the above notes for Class 11 Mathematics regularly. All revision notes have been designed for Mathematics by referring to the most important topics which the students should learn to get better marks in examinations. Studiestoday is the best website for Class 11 students to download all latest study material.

### Notes for Mathematics CBSE Class 11 Chapter 7 Permutations and Combinations

Our team of expert teachers have referred to the NCERT book for Class 11 Mathematics to design the Mathematics Class 11 notes. If you read the concepts and revision notes for one chapter daily, students will get higher marks in Class 11 exams this year. Daily revision of Mathematics course notes and related study material will help you to have a better understanding of all concepts and also clear all your doubts. You can download all Revision notes for Class 11 Mathematics also from www.studiestoday.com absolutely free of cost in Pdf format. After reading the notes which have been developed as per the latest books also refer to the NCERT solutions for Class 11 Mathematics provided by our teachers

#### Chapter 7 Permutations and Combinations Notes for Mathematics CBSE Class 11

All revision class notes given above for Class 11 Mathematics have been developed as per the latest curriculum and books issued for the current academic year. The students of Class 11 can rest assured that the best teachers have designed the notes of Mathematics so that you are able to revise the entire syllabus if you download and read them carefully. We have also provided a lot of MCQ questions for Class 11 Mathematics in the notes so that you can learn the concepts and also solve questions relating to the topics. All study material for Class 11 Mathematics students have been given on studiestoday.

#### Chapter 7 Permutations and Combinations CBSE Class 11 Mathematics Notes

Regular notes reading helps to build a more comprehensive understanding of Chapter 7 Permutations and Combinations concepts. notes play a crucial role in understanding Chapter 7 Permutations and Combinations in CBSE Class 11. Students can download all the notes, worksheets, assignments, and practice papers of the same chapter in Class 11 Mathematics in Pdf format. You can print them or read them online on your computer or mobile.

#### Notes for CBSE Mathematics Class 11 Chapter 7 Permutations and Combinations

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