A producer must select a duo, consisting of one lead actor and one supporting actor, from six candidates. what is the number of possible duos the producer could select?
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If he chooses the first as lead
he can choose any one of the five as supporting
So, there are 5 possibilities.
The same will be there if any one of rest of the five candidates are chosen to be the lead.
So, the total no. of possibilities are 5 x 6 = 30
he can choose any one of the five as supporting
So, there are 5 possibilities.
The same will be there if any one of rest of the five candidates are chosen to be the lead.
So, the total no. of possibilities are 5 x 6 = 30
Answered by
1
Answer:
30
Step-by-step explanation:
For the first one: 6!/(6-2)! = 6x5 = 30 Use formula n!/(n-r)! for permutations that involve ordering.
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