Posted by **HALIS** on Thursday, March 4, 2010 at 10:47pm.

The new school has exactly 1000 students and 1000 lockers.On the first day all the students meet outside and agree on the following plan: the first student will enter the school and open all the lockers.The second student will then enter the school and close every locker with an even number (2,4,6,8..).The third student will the reverse every third locker (3,6,9,12...).That is if the locker is closed,he/she will open it ,and if is open ,he/she will close it.The 4th student will then reverse every fourth locker and so on until all 1000 students in turn have entered the building and reversed the proper lockers.

## Answer this Question

## Related Questions

- algebra - the new school has exactly 1000 lockers and 1000 students. on the ...
- algebra - the new school has exactly 1000 lockers and 1000 students. on the ...
- Math - A new school has exactly 1,000 lockers and 1,000 students. the student ...
- geometry - At Millock Highschool, there are 1,000 lockers and 1,000 students. ...
- Math 6th - Imagine there are 1000 lockers and 1000 students at school. The 1st ...
- 9th grade - A new high school has just been completed. There are 1,000 lockers ...
- Math - Newon Middle School has a hall with 500 lockers, all of which are closed...
- math - 1000 lockers 1000 students, the first student goes along and opens every ...
- math - the 20 students in Mr. Wolf's 4th grade class are playing a game in a ...
- Algebra - The question is the following: YOur school has contracted with a ...

More Related Questions