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A class is composed 2 brothers …

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A class is composed 2 brothers and 6 other boys. In how many ways can all the boys be seated at the round table so that the 2 brothers are not seated besides each other?
  • 3 answers

Keshav Bindal 7 years, 3 months ago

Total no. of ways boys can sit = 7! .....?

Karanveer Singh 7 years, 3 months ago

As there must be 8 chairs . So , ways that the btother sit together = 6! + 2! . Total no ways boys can sit = 8! Ways that bros shouldnt sit together = 8! -(6!+2!)

Aman Kumar 7 years, 3 months ago

This is from permutations and combination chapter.... na!!
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