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Ten individuals are seated around a circular table with chairs numbered from 1 to 10. What is the likelihood that two specific individuals, A and B, always sit next to each other?
- 2/9
- 1/5
- 1/9
- 2/5
Correct answer: 2/9
Solution
The probability that two specific individuals always sit next to each other in a circular arrangement can be found by considering the total number of arrangements where they sit together as a single unit, divided by the total number of possible arrangements of all individuals, leading to a probability of 2/9.
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