Some writers are actors.
No doctor is a writer.
If the above statements are true, which of the following must also be true?
(F) Some doctors are not Democrats.
(G) No doctor is an actor.
(H) All writers are Democrats.
(J) All actors are writers.
(K) Some Democrats are writers.
Whenever Dieter sings, Jarik gets a headache and Kari groans. If Kari is not groaning, which of the following statements
must be true?
21.
(A) Dieter is singing and Jarik has a headache.
(B) Jarik has a headache but Dieter is not necessarily singing.
(C) Dieter is singing but Jarik does not necessarily have a headache.
(D) Dieter has been singing and Jarik is beginning to get a headache.
(E) Dieter is not singing.
Since the bill to institute reform in business practices passed in the Senate, it must have been supported by a majority of the
senators.
Which of the following most clearly leads to the above conclusion?
22.
(F) All of the senators supported the bill to institute reform in business practices.
(G) There were several bills that the senators voted on, but only the bill to reform business practices passed.
(H) Only bills that are supported by the majority of the senators can pass in the Senate.
(J) Reform in business practices is considered by senators to be more important than other types of reform.
(K) The bill to institute reform in business practices was the first of its kind to pass in the Senate.
The partners of the law firm all eat at the Doylestown country club every Friday night. Johann eats at the Doylestown country
club every Friday night. Therefore, Johann may be a partner of the law firm.
Which of the following uses reasoning that is most similar to that in the paragraph above?
23.
