GMAT Critical Reasoning
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Source: OG
Level: 3
If the airspace around centrally located airports were restricted to commercial airliners and only those private planes equipped with radar, most of the private-plane traffic would be forced to sue outlying airfields. Such a reduction in the amount of private-plane traffic would reduce the risk of midair collision around the centrally located airports.
The conclusion drawn in the first sentence depends on which of the following assumptions?
- A Outlying airfields would be as convenient as centrally located airports for most pilots of private planes.
- B Most outlying airfields are not equipped to handle commercial-airline traffic.
- C Most private planes that use centrally located airports are not equipped with radar.
- D Commercial airliners are at greater risk of becoming involved in midair collisions than are private planes.
- E A reduction in the risk of midair collision would eventually lead to increases in commercial airline traffic.