There are 500 switches and 500 students in a school seminar hall.
The principal asks the first student to go to each switch and on it.
Then he asks the second student go to every second switch and off it.
The third student goes to every third switch, and if it is off, he will on it, and if it is on, he will off it and so on. The process is completed with all the 500 students.
Which of the following switch is on at the end of the process?
A. 2
B. 8
C. 6
D. 4
Answers
Answered by
0
Answer:
2 switch of the classroom
Answered by
0
Answer:
4 is a switch is on at the end of the process
Similar questions