PrepTest 85, Section 1, Question 6
During a seven-week period, a department store will hold weekly sales on seven types of products�headphones, lamps, microwaves, printers, refrigerators, speakers, and televisions. Exactly one type of product will be on sale each week. The sale schedule will conform to the following constraints:
During a seven-week period, a department store will hold weekly sales on seven types of products�headphones, lamps, microwaves, printers, refrigerators, speakers, and televisions. Exactly one type of product will be on sale each week. The sale schedule will conform to the following constraints:
During a seven-week period, a department store will hold weekly sales on seven types of products�headphones, lamps, microwaves, printers, refrigerators, speakers, and televisions. Exactly one type of product will be on sale each week. The sale schedule will conform to the following constraints:
During a seven-week period, a department store will hold weekly sales on seven types of products�headphones, lamps, microwaves, printers, refrigerators, speakers, and televisions. Exactly one type of product will be on sale each week. The sale schedule will conform to the following constraints:
At least two weeks must separate the sale on headphones and the sale on speakers.
Printers and speakers must be on sale during consecutive weeks.
Televisions must be on sale during either the first or the seventh week.
If televisions are not on sale during the first week, refrigerators must be on sale then.
The sale on lamps must be in an earlier week than the sale on headphones.
Which one of the following, if substituted for the constraint that if televisions are not on sale during the first week, refrigerators must be on sale then, would have the same effect in determining the order of the sales?
Refrigerators must be on sale during either the first or the seventh week.
If refrigerators are on sale during the first week, televisions must be on sale during the seventh week.
If refrigerators are not on sale during the seventh week, televisions must be on sale then.
If televisions are on sale during the first week, refrigerators cannot be on sale during the seventh week.
If televisions are on sale during the seventh week, refrigerators must be on sale during the first week.
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