In how many ways can 10 boys be seated in a row having 28 seats such that no two friends occupy adjacent seats?

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answerhappygod
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In how many ways can 10 boys be seated in a row having 28 seats such that no two friends occupy adjacent seats?

Post by answerhappygod »

a) 13P5
b) 9P29
c) 19P10
d) 15P7
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