SOLUTION: how many groups of 2 boys and 2 girls can be formed from 5 boys and 5 girls?

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Question 511003: how many groups of 2 boys and 2 girls can be formed from 5 boys and 5 girls?
Answer by SUNIL1987MAURYA(7) About Me  (Show Source):
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no. of choices to choose girls=(5)C(2)
=(5*4)/(2*1)
=10
no. of choices to choose boys=(5)C(2)
=10
total no. of different groups=10*10
=100