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1. last year Country X generated 3 times as many kilowatt-hours of electricity as Country Y, but both countries generated the same amount of electricity from nuclear power plants. If Country X generated * percent of Its electricity from nuclear power plants, what percent of Country Y*s electricity was generated from nuclear power plants?
A)

B)

C)

D)
2k
E)
3k

A) Option B
B) Option A
C) Option D
D) Option E
E) Option C

2. For each international call made to Country B last month, a certain telephone company charged a customer
$075 to connect the cal plus a certain per-minute rate applied to each minute or part of a minute of the duration of the call. If the telephone company's total charge for the customer's calls to Country B last month was
$84.00, what was the per-minute rate, in dollars?
(1) The telephone company connected 12 calls for the customer to Country B last month.
(2) If the telephone company had no connection fee last month but had charged a per-minute rate that was 20 percent greater than the rate the customer was actually charged, then the total charge for the customer's calls to Country B last month would have been $90.00.

A) Statement (2) ALONE is sufficient, but statement (1) atone is not sufficient.
B) EACH statement ALONE is sufficient.
C) BOTH statements TOGETHER ace sufficient, but NEITHER statement ALONE Is sufficient.
D) Statements (1) and (2) TOGETHER are NOT sufficient.
E) Statement (1) ALONE is sufficient, but statement (2) alone Is not sufficient.

3. In the High Middle Ages, Latin, though no one's native tongue, was the language of international scholarly communication in Europe. Petrus Alfonsi, a native Hebrew and Arabic speaker. was unquestionably the author of four twelfth-century scientific works. Some scholars also attribute to Aifonsi two later scientific texts, because of their similarity in content and doctrine to the earlier works. However, the Latin in the first four works is impeccable while that in the later texts is not furry competent. Therefore, these two could not have been composed by Alfonsi.
Which of the following, 4 true, most seriously weakens the argument above?

A) Historical records are consistent with Alfonsi having written at least six major scientific works.
B) The two later works noted in the passage above make explicit reference to the four earlier works attributed to Alfonsi.
C) Alfonsi spent his adult years living In an exclusively Arabic-speaking community.
D) During the twelfth century, numerous Hebrew and Arabic manuscripts were translated into Latin.
E) Few scholars subscribed to Alfonsl's doctrines during his lifetime.

4. The table provides data about 12 different Persian rugs currently available for sale by a rug dealer. For each rug, the data includes the number of knots per square inch (KPSI) in the yarn, which is consistent throughout the rug.

5. By understanding the fundamental nature of human immune response, scientists can both study ways to reduce excessive activity of the immune system. such as occur in autoimmune diseases like diabetes, and to amplify the immune response, as a new way of fighting diseases like cancer.

A) study ways both to reduce excessive activity of the immune system, such as occurs
B) both study ways of reducing excessive activity of the immune system, like occurs
C) study both ways to reduce excessive activity of the immune system, such as occurs
D) study ways both of reducing excessive activity of the immune system, like occur
E) both study ways to reduce excessive activity of the immune system, such as occur

Solutions: