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World Languages, 05.02.2021 21:50 ZenMoss

All roads built between 1989 and 1992 are in serious need of repair. Only some of the roads are built during this period were built with contaminated materials. However, on a more positive note, some roads in serious
need of repair did not use concrete, since no concrete roads are among the roads built with contaminated
materials. On the basis of the statement above, which of the following must be true?

•Some concrete roads are not in serious need of repair

•No roads built between 1989 and 1992 are not in serious need of repair

•All roads built with contaminated materials are in serious need of repair

•Some roads built with contaminated materials are not roads other than concrete roads

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Answers: 2

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All roads built between 1989 and 1992 are in serious need of repair. Only some of the roads are buil...

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