there are 1000 lockers and 1000 students in a school.the principal - TopicsExpress



          

there are 1000 lockers and 1000 students in a school.the principal asks the first student to go to every locker and open it.then he asks the second student to go to every second locker and close it.the third goes to every third locker and,if it is closed, he opens it ,and if it is open he closes it.the fourth student does this to every fourth locker,and so on.after the process is completed with the thousandth student,how many lockers will be found open???
Posted on: Tue, 22 Jul 2014 11:18:01 +0000

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