# GMAT question of the day

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Type: Data Sufficiency

Difficulty:

If $$x$$ and $$y$$ are integers, is $$x^{2} - y^{2}$$ divisible by 7?

1. When $$x - y$$ is divided by 7, the remainder is 2
2. When $$x + y$$ is divided by 7, the remainder is 5