SOLUTION: in how many ways 7 boys sit in a round table so that 2 particulars boys may sit together?

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Question 442722: in how many ways 7 boys sit in a round table so that 2 particulars boys may sit together?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
in how many ways 7 boys sit in a round table so that 2 particulars boys may sit together?
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The 2 boys can be arranged in 2 ways; they form a unit.
So now you have 6 units.
At a round table those 6 can be arranged is 5! ways.
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Total # of arrangements = 2*5! = 2*120 = 240 ways
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Cheers,
Stan H.