Problem

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

Answer Submission Is Not Available

Form is valid through April 2017

Solution

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