Question

There are 100 switches in a board. 100 person have been seated in the row. The first one goes and turns on every switch. The second one goes
and switches off all the odd numbered switch (switches 1,3,5...). The third one goes and reverses the current position of every third switch
(switches 3,6,9...). The fourth one goes and turns on every fourth and fifth switch (switches 4,8,12... and 5,10,15...). All the remaining person
progresses with what person 2,3 and 4 did in the round robin fashion.
After the last person has done what he wanted, what will be the position of the switches which are in perfect number positions?
A
On, On
B
On, Off
Off, On
С
Off, Off
D​

Answer 1

Answer:  

Answer: 10(1,4,9,16,25,36,49,64,81,100)

Step-by-step explanation:

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