NCERT Solutions Class 11 Mathematics Chapter 7 Permutations and Combinations
Exercise 7.1 Question. How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that (i) repetition of the digits is allowed? (ii) repetition of the digits is not allowed ? Answer : (i) There will be as many ways as there are ways of filling 3…
CBSE Class 11 Mathematics Permutations and Combinations Assignment Set A
Question. The number of natural numbers less than 7,000 which can be formed by using the digits 0,1,3,7,9 (repetition of digits allowed) is equal to: (a) 374 (b) 372 (c) 375 (d) 250 Answer : A Question. Total number of four digit odd numbers that can be formed …
CBSE Class 11 Mathematics Permutation And Combination Notes
Class XI: Math Chapter 7: permutation and Combination Chapter Notes Key Concepts 1. Fundamental principle of counting: These are two fundamental principles of counting as follows: 1) Multiplication Principle…
CBSE Class 11 Mathematics Permutation And Combination Formulas And Questions
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…
CBSE Class 11 Mathematics Permutations and Combinations Assignment Set B
Question. A college offers 7 courses in the morning and 5 in the evening. The number of ways a student can select exactly one course, either in the morning or in the evening: a. 27 b. 15 c. 12 d. 35 Answer : C Question. The number of arrangement of the letters of…
CBSE Class 11 Mathematics Permutations and Combinations Assignment Set C
Please click the link below to download CBSE Class 11 Mathematics Permutations and Combinations Assignment Set C