In How Many Ways Can Letter Of The Word Railings Arrange So That R An

1.	In How Many Ways Can Letter Of The Word Railings Arrange So That R And S Always Come Together?
Answer» The number of WAYS in which the letters of the word RAILINGS can be arranged such that R & S always come together is Count R & S as only 1 SPACE or letter so that RS or SR can be arranged => 7! X 2! But in the word RAILINGS, I repeated for 2 times => 7! x 2!/2! = 7! ways = 5040 ways. The number of ways in which the letters of the word RAILINGS can be arranged such that R & S always come together is Count R & S as only 1 space or letter so that RS or SR can be arranged => 7! x 2! But in the word RAILINGS, I repeated for 2 times => 7! x 2!/2! = 7! ways = 5040 ways.

In How Many Ways Can Letter Of The Word Railings Arrange So That R And S Always Come Together?

Answer»

The number of WAYS in which the letters of the word RAILINGS can be arranged such that R & S always come together is

Count R & S as only 1 SPACE or letter so that RS or SR can be arranged => 7! X 2!

But in the word RAILINGS, I repeated for 2 times => 7! x 2!/2! = 7! ways = 5040 ways.

The number of ways in which the letters of the word RAILINGS can be arranged such that R & S always come together is

Count R & S as only 1 space or letter so that RS or SR can be arranged => 7! x 2!

But in the word RAILINGS, I repeated for 2 times => 7! x 2!/2! = 7! ways = 5040 ways.