Get live Maths 1-on-1 Classs - Class 6 to 12
Example 1 - Chapter 7 Class 11 Permutations and Combinations (Term 2)
Last updated at March 22, 2023 by Teachoo
Examples
Example 1
You are here
Example 2
Example 3 Important
Example 4 Important
Example 5
Example 6 (i)
Example 6 (ii)
Example 7
Example 8 Important
Example 9 Important
Example 10
Example 11 Important
Example 12 (i) Important
Example 12 (ii)
Example 13
Example 14 Important
Example 15
Example 16 Important
Example 17
Example 18
Example 19 Important
Example 20 Important
Example 21 Important
Example 22 Important
Example 23 Important
Example 24 Important
Chapter 7 Class 11 Permutations and Combinations
Serial order wise
- Ex 7.1
- Ex 7.2
- Ex 7.3
- Ex 7.4
-
Examples
- Miscellaneous
Transcript
Example 1 Find the number of 4 letter words, with or without meaning, which can be formed out of the letters of the word ROSE, where the repetition of the letters is not allowed . Number of letters which can be filled in different places are Number of ways in which 4 places can be filled = 4 × 3 × 2 × 1 = 24 Hence, number of 4 letter words is 24
