A three digit number abc when muptiplied by 11n gives the number      n n n n. What is abc ?

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Form is valid through April 2017


Dear visitors and friends of the site.

Thank you for your solutions, even if they are not correct.

The first to send a correct answer was Ruining. Bravo to her!!!

And here is my solution:

The number is 101.

Thanks again and hope to hear from you in May.

Serge Hazanov