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N persons are standing in a circle labelled from 1 to N in clockwise..............What is the index of that last person?

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N persons are standing in a circle labelled from 1 to N in clockwise order. Every one of them is holding a gun and can shoot a person on his left. Starting from person 1, they starts shooting in order e.g for N=50, person 1 shoots person 2, then person 3 shoots person 4, then person 5 shoots person 6……..then person 49 shoots person 50, then person 1 shoots person 3, then person 5 shoots person 7……and it continues till all are dead except one.
What is the index of that last person?

posted Aug 15, 2020 by Dilbagh

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1 Answer

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the index of that last person is number 1

answer Aug 16, 2020 by Gasmi Elakeb



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