There are 20 persons sitting in a circle. in that there are 18 men and 2 sisters. how many arrangements are possible in which the two sisters are always separated by a
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here's your answer ______⭐⭐
❄Here 2 sisters can be assumed 1 sister,
In this way there are total of 19 member,
↪Formula for circular seating arrangement: (n-1)!
⭐So, (19-1)! = 18!
But 2 sisters can also sit in 2 ways,
Hence answer is 18! *2
_______
hope it helps !!
❄Here 2 sisters can be assumed 1 sister,
In this way there are total of 19 member,
↪Formula for circular seating arrangement: (n-1)!
⭐So, (19-1)! = 18!
But 2 sisters can also sit in 2 ways,
Hence answer is 18! *2
_______
hope it helps !!
komalsingrajput:
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