Multiple choice

What result do we get when 1 is subtracted from 1000 in octal number system?

  1. 999

  2. 111

  3. 777

  4. 888

  5. They are not octal numbers.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If one is subtracted from the lowest 4 digit number 1000, we get the highest 3 digit number in that number system. In octal, it is 777.