Free GMAT Practice Question

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ID: GMAT-QR-PS-067
Section: Quantitative Reasoning - Problem Solving (PS)
Topic: Set
Difficulty level: Hard

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A survey of $200$ households asked which of three streaming services, $A$, $B$ and $C$, each household subscribes to. Of the households surveyed, $120$ subscribe to $A$, $90$ subscribe to $B$ and $70$ subscribe to $C$. Also, $45$ subscribe to both $A$ and $B$, $35$ subscribe to both $B$ and $C$, $30$ subscribe to both $A$ and $C$, and $15$ subscribe to all three. How many of the $200$ households subscribe to exactly one of the three services?

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