PrepTest 33, Section 1, Question 15
From among ten stones, a jeweler will select six, one for each of six rings. Of the stones, three�F, G, and H�are rubies; three�J, K, and M�are sapphires; and four�W, X, Y, and Z�are topazes. The selection of stones must meet the following restrictions:
From among ten stones, a jeweler will select six, one for each of six rings. Of the stones, three�F, G, and H�are rubies; three�J, K, and M�are sapphires; and four�W, X, Y, and Z�are topazes. The selection of stones must meet the following restrictions:
From among ten stones, a jeweler will select six, one for each of six rings. Of the stones, three�F, G, and H�are rubies; three�J, K, and M�are sapphires; and four�W, X, Y, and Z�are topazes. The selection of stones must meet the following restrictions:
From among ten stones, a jeweler will select six, one for each of six rings. Of the stones, three�F, G, and H�are rubies; three�J, K, and M�are sapphires; and four�W, X, Y, and Z�are topazes. The selection of stones must meet the following restrictions:
At least two of the topazes are selected.
If exactly two of the sapphires are selected, exactly one of the rubies is selected.
If W is selected, neither H nor Z is selected.
If M is selected, W is also selected.
If Z is selected, which one of the following could be true?
All three of the sapphires are selected.
Both J and M are selected.
Both K and M are selected.
None of the rubies is selected.
None of the sapphires is selected.
Explanations
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