Click here for the answers to these practice
questions!
1. Whenever Dieter sings, Jarik gets a headache and Kari
groans. If Kari is not groaning, which of the following
statements must be true?
(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.
2. Joe will eat the orange if Dave does not
cook.
Based only on the information above, which of the following
must be true?
(A) Joe will not eat the orange if Dave
cooks.
(B) If Joe did not eat the orange, Dave did
cook.
(C) If Joe eats the orange, then Dave did not
cook.
(D) If Dave does not cook, Joe will not eat the
orange.
(E) If Joe did not eat the orange, Dave did not
cook.
3. A jury reaches a verdict when all of its
members have come to a unanimous agreement. In one recent
well-publicized trial, the judge thought that the jury had
reached a verdict. Eventually, it was learned that one juror had
never been able to agree with the others. The proceeding was
ultimately declared a mistrial by the judge.
Based only on the
information above, which of the following statements is a valid
conclusion? (A) The jury never actually reached a
verdict.
(B) The jury had reached a verdict but had been
disrupted by a single juror.
(C) There have been other trials in which the jury
failed to reach a verdict.
(D) Only trials in which the jury fails to reach a
verdict are declared mistrials.
(E) The judge's role is not as important as that of
the individual jurors.
4. The maximum time a member is allowed to run on
a treadmill at City Fitness is 30 minutes. Bernard has been
running on a treadmill for at least 45 minutes.
Based only on
the information above, which of the following statements is a
valid conclusion? (A) The time limit has been
established to give every member a chance to run.
(B) If Bernard is not violating City Fitness rules,
then he is not running at City Fitness.
(C) If Bernard is running at City Fitness, he will
have his membership revoked.
(D) Bernard will be getting off the treadmill as soon
as possible.
(E) Bernard is not running on a treadmill at City
Fitness. 5. In the 1920's, people diagnosed with
disease X were not expected to live beyond six months to a year.
Now many people diagnosed with disease X are able to survive for
five years and even longer if they receive early treatment.
According to the information above, which of the following must
be true? (A) Modern medicine is now capable of curing
disease X.
(B) Most people no longer die from disease X.
(C) Disease X is more easily cured than other serious
diseases.
(D) Progress has been made in the treatment of
disease X.
(E) The worst outbreak of disease X was in the 1920s.