If \(\#\) denotes one of the four arithmetic operations,

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Source: GMAT Prep

If \(\#\) denotes one of the four arithmetic operations, addition, subtraction, multiplication, and division, what is the value of \(1 \# 2\)?

1) \(n \# 0 = n\) for all integers \(n\).
2) \(n \# n = 0\) for all integers \(n\).

The OA is B
Source: — Data Sufficiency |