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1. Question1 point(s)
Aurni Tasnim, a museum curator must group nine paintings – F, G, H, J, K, L, M, N, and O – in twelve spaces numbered consecutively from 1-12. The paintings must be in three groups, each group representing a different century. The groups must be separated from each other by at least one unused wall space. Three of the paintings are from the eighteenth century, two from the nineteenth century, and four from the twentieth century.
Unused walls spaces cannot occur within groups.
G and J are paintings from different centuries.
J, K and L are all paintings from the same century.
Space number 5 is always empty.
F and M are eighteenth-century paintings.
N is a nineteenth-century painting
If space 4 is to remain empty, which of the following is true?CorrectIncorrect
2. Question1 point(s)
If the paintings are hung in reverse chronological order by century, the unused wall spaces could beCorrectIncorrect
3. Question1 point(s)
Which of the following is a space that CANNOT be occupied by a nineteenth-century painting?CorrectIncorrect
4. Question1 point(s)
If J hands in space 11, which of the following is a possible arrangement for space 8 and 9?CorrectIncorrect
5. Question1 point(s)
If the twentieth-century paintings are hung in spaces 1-4, which of the following CANNOT be true?CorrectIncorrect
6. Question1 point(s)
If the first five paintings, in numerical order of spaces, are F, O, M, N, G, which of the following must be true?CorrectIncorrect
7. Question1 point(s)
A large office complex has exactly seven buildings – R, S, T, U, V, W, and X. A delivery service with four vans – van 1, van 2, van 3, and van 4 – carries packages by van from building to building at the complex. Each van has unique route, which it repeats throughout the day.
Van 1 travels only from R to S, from S to T, from T to U, from U to V, and from V to R.
Van 2 travels only from S to W and back to S.
Van 3 travels only from T to V and back to T.
Van 4 travels only from U to X and back to U.
Vans stop at each building to which they travel, and packages can be picked up or delivered at any stop. Any van can also leave a package for any other van to pick up at any building where both vans stop.
A package sent by van can be delivered with no intermediate stops if it is sent fromCorrectIncorrect
8. Question1 point(s)
On its way to any building in the complex, a package sent by van from W must travel toCorrectIncorrect
9. Question1 point(s)
What is the minimum number of intermediate stops for a package sent by van from R to V?CorrectIncorrect
10. Question1 point(s)
Which of the following lists all of the vans, in the order of use, that would be needed to send a package by van from X to T with the minimum number of intermediate stops?CorrectIncorrect