Multiple choice

What is the sum of octal 578 and octal 342?

  1. 1236

  2. 920

  3. 1142

  4. 578 is not an octal number.

  5. 777

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

In octal number system, we have 8 digits from 0 to 7 ony. Hence, 578 is not an octal number.