March 1, 2017

Homework Help: Math

Posted by Ibby on Thursday, October 25, 2007 at 10:04am.

A new school has exactly 1,000 lockers and 1,000 students. the student meet outside the building and decide on this plan. The first student will enter and open al the lockers. The second student will enter and colse ever locker with an even number (2,4,6, etc.)The third student will then reverse every third locker(3,6,9,etc) That means if the locker was opened it would be closed or if it was closed he would open it. The fourth student would reverse every fourth locker, and so on until all 1,000 students in turn have entered the building and reversed the proper lockers. Which lockers will finally remain open?

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