Mathematics, 23.08.2020 02:01 TrueKing184
There are 100 lockers in a school hallway and they are all closed. 100 students come through the hallway and start opening and closing lockers. The first student opened all the lockers The second student closed every second locker The 2nd, 4th,6th and so on were closed The third student changes the state of every 3rd locker. In other words the student visits lockers 3 6 9 and if the locker is open it gets closed. If it is closed it gets opened The fourth student changes the state of every fourth locker, the fifth student changes the state of every fifth locker and so on until the 100th student changes the state of the 100th locker Which lockers are open after all 100 students pass through the hallway
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There are 100 lockers in a school hallway and they are all closed. 100 students come through the hal...
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