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In how many ways can nine members of committee sit at the round table so that secretary and the joint secretary are always the neighbours of the president? 

2 Answers

2 votes
1440 answer hope this helps
User ZakW
by
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2 votes

Answer:

1440

Step-by-step explanation:

Members except president, secretary and joint secretary = 9−3=6

Their arrangement = 6!

No. of arrangements of secretary and joint secretary at wto places

=2!=2

Total arrangement =2×6!

2 x 6! = 1440

User Nick Sabbe
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4.7k points