PrepTest 46, Section 1, Question 15
One afternoon, a single thunderstorm passes over exactly five towns�Jackson, Lofton, Nordique, Oceana, and Plattesville�dropping some form of precipitation on each. The storm is the only source of precipitation in the towns that afternoon. On some towns, it drops both hail and rain; on the remaining towns, it drops only rain. It passes over each town exactly once and does not pass over any two towns at the same time. The following must obtain:
One afternoon, a single thunderstorm passes over exactly five towns�Jackson, Lofton, Nordique, Oceana, and Plattesville�dropping some form of precipitation on each. The storm is the only source of precipitation in the towns that afternoon. On some towns, it drops both hail and rain; on the remaining towns, it drops only rain. It passes over each town exactly once and does not pass over any two towns at the same time. The following must obtain:
One afternoon, a single thunderstorm passes over exactly five towns�Jackson, Lofton, Nordique, Oceana, and Plattesville�dropping some form of precipitation on each. The storm is the only source of precipitation in the towns that afternoon. On some towns, it drops both hail and rain; on the remaining towns, it drops only rain. It passes over each town exactly once and does not pass over any two towns at the same time. The following must obtain:
One afternoon, a single thunderstorm passes over exactly five towns�Jackson, Lofton, Nordique, Oceana, and Plattesville�dropping some form of precipitation on each. The storm is the only source of precipitation in the towns that afternoon. On some towns, it drops both hail and rain; on the remaining towns, it drops only rain. It passes over each town exactly once and does not pass over any two towns at the same time. The following must obtain:
The third town the storm passes over is Plattesville.
The storm drops hail and rain on the second town it passes over.
The storm drops only rain on both Lofton and Oceana.
The storm passes over Jackson at some time after it passes over Lofton and at some time after it passes over Nordique.
If the storm passes over Jackson at some time before it passes over Oceana, then which one of the following could be false?
The storm passes over Lofton at some time before it passes over Jackson.
The storm passes over Lofton at some time before it passes over Oceana.
The storm passes over Nordique at some time before it passes over Oceana.
The fourth town the storm passes over receives only rain.
The fifth town the storm passes over receives only rain.
Explanations
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