What is the smallest positive number that must be added to 214 to make it divisible by 9?
- A.3
- B.4
- C.2 ✓
- D.1
Explanation: 214 ÷ 9 leaves a remainder, and adding 2 reaches the next multiple of 9.
Class 6 IMO Mathematics Olympiad practice · Number Sense · Factors, Multiples & Primes
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