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4)If 10 persons are to sit in a round table then the odds against two specific persons sitting together isa)1/9 b) 2/9 c)7 to 2 d)2 to 7

Raghav Rao , 8 Years ago
Grade 12
anser 1 Answers
Nishant Vora

Last Activity: 8 Years ago

Total number of ways = 9!

favorable ways = 8! 2!

Hence P =8! 2! /9! = 2/9 = 2/ 2+7

hence odd agains are 7 : 2

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