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Question: Host, his wife and 8 guests are to be seated on a round dining table at random. The probability that...

Host, his wife and 8 guests are to be seated on a round dining table at random. The probability that the host and his wife sit together, is-

A

1/9

B

2/9

C

1/5

D

1/10

Answer

2/9

Explanation

Solution

Required probability = 8!×2!9!\frac { 8 ! \times 2 ! } { 9 ! }