CEMC Cayley, 2010

Number theory Difficulty 2.0 Junior Find the answer Canada

In the diagram, the number line is marked at consecutive integers, but the numbers themselves are not shown. The four larger dots represent two numbers that are multiples of 3 and two numbers that are multiples of 5. Which point represents a number which is a multiple of 15?

(A) $A$ (B) $B$ (C) $C$ (D) $D$ (E) $E$

Figure for this problem

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