LSAT 149 – Section 3 – Question 25

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PT149 S3 Q25
+LR
Strengthen +Streng
Quantifier +Quant
A
58%
166
B
7%
157
C
17%
158
D
12%
159
E
6%
159
154
161
168
+Hardest 147.456 +SubsectionMedium

Salesperson: If your vacuuming needs are limited to cleaning small areas of uncarpeted floors, an inexpensive handheld vacuum cleaner is likely to be sufficient. After all, most are easy to use and will likely satisfy all your vacuuming needs on wood and tile floors.

Summarize Argument
The author concludes that an inexpensive handheld vacuum cleaner is likely to be sufficient for your needs if they are limited to cleaning small areas of uncarpeted floors. This is because most of these vacuums are easy to use and will satisfy vacuuming needs on wood and tile floors.

Notable Assumptions
The author assumes that uncarpeted floors are typically wood or tile. This overlooks the possibility that most uncarpeted floors are made of something besides wood or tile.

A
The only types of floor surfaces that most consumers encounter are carpet, wood, and tile.
This helps establish the truth of the author’s assumption. If the only surfaces most consumers encounter are carpet/wood/tile, then uncarpeted floor tend to be wood/tile. We know the handheld vacuums are likely sufficient for wood/tile.
B
Inexpensive handheld vacuum cleaners are sufficient for cleaning small areas of carpeted floors.
The conclusion concerns people who only need to clean uncarpeted floors. So whether the vacuums are good for carpeted floors has nothing to do with the conclusion.
C
Any handheld vacuum cleaner that is easy to use but sufficient only for cleaning small areas of uncarpeted floors is likely to be inexpensive.
We don’t know whether handheld vacuum cleaners are sufficient “only” for small uncarpeted areas. We’re trying to prove that they are sufficient for those areas, but don’t have premises that establish this.
D
If your household cleaning needs include cleaning small areas of uncarpeted floors, it is likely that you will need a vacuum cleaner.
The argument concerns whether a specific kind of vacuum cleaner would be enough. (D) doesn’t help establish that this kind of vacuum cleaner is enough.
E
The more versatile a vacuum cleaner is, the more likely it is to be expensive.
We have no idea about the versatility of a handheld vacuum cleaner. And (E) doesn’t connect versatility to being enough to clean small uncarpeted areas.

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