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Puzzle #532 - Weird Bank Ritual
03-Aug-18
Views : 2499
Rated 5.0 by 2 Users
 
During the office party on New Year's Eve, a bank manager made the 1000 employees working under him perform an odd ritual. There were 1000 lockers in the bank. Employee 0001 went to every locker and opened it. Then, Employee 0002 went to every second locker and closed it. Employee 0003 went to every third locker. If the locker was closed, he opened it, and if it was open, he closed it. Employee 0004 repeated the process with every fourth locker, and so on. After Employee 1000 completed the ritual, how many lockers were left open?
 Solution

 
 
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