The pain you feel today will be the strength you feel tomorrow. Lecture - 5 Chapter 7 Permutations and Combinations NCERT Miscellaneous Exercise Question 1. How many words, with or without meaning, each of 2 vowels and 3 consonants can be formed from the letters of the word DAUGHTER ? Question 2. How many words, with or …

## Lecture 4 Permutations and Combinations

"Pain is temporary. Quitting lasts forever." – Lance Armstrong Lecture - 4 Chapter 7 Permutations and Combinations Meaning of Combination, how combination is different from permutations, derivation of rule for combinations through permutations, Shortcuts and special cases of combinations NCERT Exercise 7.4 Question 1. If , find Question 2. Determine n if(i). (ii). Question 3. How many chords can be …

## Lecture 3 Chapter 7 Class 11 Maths

"Everything you’ve ever wanted is on the other side of fear." — George Addair Lecture - 3 Chapter 7 Permutations and Combinations Number of Permutations when an alphabet repeat Example 14. Find the number of different 8-letter arrangements that can be made from the letters of the word DAUGHTER so that (i) all vowels occur together …

## Permutations and Combinations Lecture 2

Focus on your goal. Don’t look in any direction but ahead. Lecture - 2 Chapter 7 Permutations and Combinations NCERT Exercise 7.3Meaning of Permutations, Derivation for rule of PermutationsQuestion 1. How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?Question 2. How many 4-digit numbers are there with …

## Lecture 1 Permutations and Combinations

Look in the mirror. That’s your competition. Lecture - 1 Chapter 7 Permutations and Combinations NCERT Exercise 7.1 Fundamental Principle of Counting Question 1. 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 …