Multiple choice

What is the 10’s complement of the decimal number 56789?

  1. 01234

  2. 12345

  3. 43210

  4. 43211

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

First we find out 9’s complement as follows: 99999 - 56789 = 43210 Then we add, 43210 + 1 = 43211.