What is the smallest positive number that must be added to 911 to make it divisible by 9?
- A.9
- B.6
- C.8
- D.7 ✓
Explanation: 911 ÷ 9 leaves a remainder, and adding 7 reaches the next multiple of 9.
Class 6 IMO Mathematics Olympiad practice · Number Sense · Factors, Multiples & Primes
← All Factors, Multiples & Primes questions