Question

in a cinema hall there are 4 entrences​

Answer 1

Answer:

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Step-by-step explanation:

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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

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