Question: A number is divided by 9 and leaves a remainder of 5. If this number is increased by 4, what will be the new remainder when divided by 9? (2023)
Options:
Correct Answer: 0
Exam Year: 2023
Solution:
The new number is (original number + 4) = (9k + 5 + 4) = 9k + 9, which leaves a remainder of 0.