Grade 12Algebra
Find the number of ways in which 5 boys and 5 girls be seated in a row so that all the girls are never together.
Find the number of ways in which 5 boys and 5 girls be seated in a row so that all the girls are never together.
2 Answers
noogler
4!.5!
Meet Singhal
- You can permute the boys in = 5! ways, then you are left with 6 positions to place the girl.
- Place the girls in 6C5 ways
- Then permute the girls in 5! ways
So your answer is the multiplication of these 3 terms which is = 5! x 6C5 x 5! = 5! x 6!
(For a free course on PnC visit dronalectures.com)
Other Related Questions on algebra
How do you write “the product of 18 and q” as an algebraic expression?
How do you write “the product of 18 and q” as an algebraic expression?
algebra
Last Activity: 2 Years ago