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UKMT Junior Mathematical Challenge, 2016

Number theory Difficulty 1.0 Junior Find the answer United Kingdom

One of the three symbols $+$ , $-$ , $\times$ is inserted somewhere between the digits of $2016$ to give a new number. For example, $20 - 16$ gives $4$ . How many of the following four numbers can be obtained in this way? $36 \quad 195 \quad 207 \quad 320$

(A) $0$ (B) $1$ (C) $2$ (D) $3$ (E) $4$

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