If the letters of the word "algorithm" are arranged at random in a row, what is the probability that the letters g, o and r must remain together?
Answers
Answered by
1
it's a very easy question. Hope it helps
Answered by
1
Answer:
ALGORITHM has a total of 9 letters
>n(s) =9!
Considering GOR as a single unit
>AL(GOR)ITHM has 7 letters(considering GOR as a single letter)
>n(E)=7!
>P(E)=n(s)/n(E)=7!/9!
>P(E)=1/72
Similar questions