Math, asked by manvimurthy860, 1 year ago

The letters of the word lucknow are arranged among themselves. find the probability of always having now in the word

Answers

Answered by enyo
14

Since we want ‘now’ in every word, we need to consider ‘now’ as one unit.

Thus, the word LUCKNOW will have only 5 different letters.

Now, we know the number of arrangements of 5 different letters is 5! = 120

The total number of arrangements = 7! = 5040

The probability of always having ‘now’ in the word = 120/5040 =1/42


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