Ex 6.3,8 - Chapter 6 Class 11 Permutations and Combinations

Last updated at August 8, 2026 by

Ex 6.3, 8 - How many words can be formed using EQUATION - Ex 6.3 - Ex 6.3

part 2 - Ex 6.3,8 - Ex 6.3 - Serial order wise - Chapter 6 Class 11 Permutations and Combinations

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Ex 6.3, 8 How many words, with or without meaning, can be formed using all the letters of the word EQUATION, using each letter Exactly once? Number of letters in word EQUATION` = 8 n = 8 If all letters of the word used at a time r = 8 Different numbers formed = nPr = 8P8 = 8!/(8 8)! = 8!/0! = 8!/1 = 8! = 8 7 6 5 4 3 2 1 = 40320

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