Comparing Distance to the Lake

Very Easy Data Sufficiency Analyzing Information

Let $d$ be the distance in kilometers from a town to a lake. We want to determine whether $d$ is less than 15 kilometers.

Statement (1): The lake is located 10 kilometers away from the town.

Statement (2): A second town is 20 kilometers away from the lake.

Statement (1) alone is sufficient, but Statement (2) alone is not sufficient.

Statement (2) alone is sufficient, but Statement (1) alone is not sufficient.

Both statements together are sufficient, but neither statement alone is sufficient.

Statements (1) and (2) together are not sufficient.

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