A team of 12 people is sitting in a round table conference. Out of which Parikh and Navdeep want to sit side by side around the table. What is the probability that they will sit together?
Options
2/11
3/11
2/9
1/6
Answers
Answer:
2/11
Step-by-step explanation:
11! total combinations and 2!*10! ways for their arrangement
(2!*10!)/11!
2/11 is the Probability that Parikh and Navdeep will sit together
Step-by-step explanation:
A team of 12 people is sitting in a round table conference
Number of ways they can sit = (12 - 1)!
= 11!
Parikh and Navdeep want to sit side by side
Lets consider them 1 - They can sit in 2 Ways
now Possible Ways to sit = 2 * 10!
Probability that Parikh and Navdeep will sit together = 2 * 10!/11!
= 2/11
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