Different 57811

How many different 6-member teams can be made up of seven boys and four girls if there are two or four girls in the team?

Correct answer:

n =  231

Step-by-step explanation:

C4(7)=(47)=4!(74)!7!=321765=35 C2(7)=(27)=2!(72)!7!=2176=21 C2(4)=(24)=2!(42)!4!=2143=6  n1=(24) (627)=6 (627)=210 C4(4)=(44)=4!(44)!4!=11=1  n2=(44) (647)=1 (647)=21  n=n1+n2=210+21=231



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Would you like to compute the count of combinations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: