Multiple choice

Which of the following is correct, if we add 1 to the greatest 5 digit number in any number system?

  1. We will get the least 6 digit number in that number system.

  2. We will get the greatest 6 digit number in that number system.

  3. We will get a 5 digit number only.

  4. We will get a number with 6 zeroes.

  5. We will get a number with 1 as the rightmost digit.

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A Correct answer
Explanation

If one is added to the greatest number of any number of digits, it gives the least number of next number of digits in that number system.