Question

A movie theatre has 3 entrance and 4 exits. In how many ways can a man enter and exit from the theatre.

Answer 1

When a person enters through any one of the entrance doors, he will have two ways to get out, from either of the exit doors.Therefore, total no of ways = 3x4=12...
I guess

Answer 2

Answer:

Number of ways a man can enter and exit from the theatre = 12

Step-by-step explanation:

Number of entrances in the movie theatre = 3

So, Number of ways of entering in the theatre = 3

Also, Number of exit gates in the movie theatre = 4

So, Number of ways of exit from the movie theatre = 4

Now, we need to find the number of ways a man can enter and exit from the theatre.

⇒ Number of ways a man can enter and exit from the theatre = 4 × 3 = 12