8 People Are Seated Around A Table At A Political Function.In How Many Ways Can They Seat If The President And Secretary Must Always Be Beside Each Ot

8 people are seated around a table at a political function.In how many ways can they seat if the president and secretary must always be beside each other?

 

Answer:

10,080 ways

Step-by-step explanation:

Take the president and secretary as a single unit and there will be 7 factorial arrangements around the table which will be multiplied to 2 factorial ways between the president and secretary.

7! × 2! = (7×6×5×4×3×2×1)(2×1) = (5,040)(2) = 10,080


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