CTS
Company
1000 doors
I man open all
II man 2 multiples close
III man 3 multiples open
IV man 4 multiples close
How many doors are open?
Read Solution (Total 1)
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- 31 doors are open which are having numbers as perfect squares.
like 1,4,9,16.......961 - 13 years agoHelpfull: Yes(1) No(1)
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