SOLUTION: In how many ways can 5 boys and 5 girls be seated in 10 chairs if... a. they can seat anywhere b. boys and girls be seated side by side. note: please if you need to answer

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Question 424395: In how many ways can 5 boys and 5 girls be seated in 10 chairs if...
a. they can seat anywhere
b. boys and girls be seated side by side.
note: please if you need to answer 1 question only at a time, please consider the letter b. as my main question. thank you
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

a) no. of ways = 10!
= 3628800



b) no. of ways if boys and girls be seated side by side = 2 * 5! *5!
= 2 * 120 * 120
= 28800