Homework SourseHow many different ways can four people A B C D sit a row at
How many different ways can four people: A, B, C, D sit a row at the movie if A and B sit together
Solution
How many different ways can four people: A, B, C, D sit a row at the movie if A and B sit together
Answer:- A and B sit together.......take AB together
now we have to arrange AB, C and D
total total number of ways are = 3!*2!..........................(2! for arrangement of AB...., AB or BA)
= 6*2
=12......ANSWER
