Competition

15 boys and 10 girls are in the class. On school competition of them is selected 6-member team composed of 4 boys and 2 girls. How many ways can we select students?

Correct answer:

n =  61425

Step-by-step explanation:

C4(15)=(415)=4!(154)!15!=432115141312=1365  C2(10)=(210)=2!(102)!10!=21109=45  n=(415) (210)=1365 45=61425



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