In how many ways can Annie, Bushra, Camelia, Don, Elina and Farzana be seated if Annie and Bushra cannot be seated next to each other.
Solution
Correct Answer: Option D
Suppose, number of people =10 total expenditure= G per person pay= g/10 if n number of people are added then per person pays=G/10+n so, expenditure reduces= G/10-G/10+n=Gn/100+10n
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