A number theory problem by Tarun Panchal

Number Theory Level 1

9....8071

Put a digit in ... such that the number is divisible by 11.


The answer is 1.

Tarun Panchal by Tarun Panchal , 27, India

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1 solution

Anand Babu Kotha
Jul 16, 2014

Sum of even places - sum of odd places is divisible by 11

0 Helpful 0 Interesting 0 Brilliant 0 Confused

You could just plug in all the numbers from 0-9 into the blank and see which one works

Justin Jian - 6 years, 10 months ago

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