The manager of a four-screen movie theater is deciding which of 12 available movies to show. The screens are in rooms with different seating capacities. How many ways can he show four different movies on the screens?

Question

anonymous · Answer

he can choose from 12. he can show 4. therefore use 12!/(12-4)!

anonymous · Answer

is d answer  11880?

anonymous · Answer

there is a formula less way too @abb50 though it will lead to d same formula:)

anonymous · Answer

thanks guys(: The answer was 11880(:

anonymous · Answer

|dw:1340688818306:dw|

anonymous · Answer

assume tht these r four screens

anonymous · Answer

now u take the first screen, u can show any movie out of 12? so no of choices =12 for the first screen

anonymous · Answer

now for the second screen there are how many choices???? 11(y?--- bcoz 1 movie is been shown in screen1)

anonymous · Answer

similarly for screen 3 the chices is 10 nd for screen 4 the choices r 9

anonymous · Answer

|dw:1340688961623:dw|