100 People in a Circle Puzzle-Asked in interviews.


100 people standing in a circle in an order 1 to 100.

No.1 has a sword.
He kills the next person (i.e. no. 2) and gives the sword to the next (i.e no.3).
All person does the same until only 1 survives.

Which number survives at the last?

Solution: 73

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