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Question 1

Unlike the earlier models of the mobile phone, today’s mobile phones have a standard text-messaging feature. Therefore, a few years from now, probably mobile phones will still have this standard feature.
Choose one answer.
a. Deductive, valid, sound Incorrect
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Correct
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect

Question 2

If Ninoy Aquino was gunned down, then Ninoy Aquino died. Ninoy Aquino died. Therefore, Ninoy Aquino was gunned down.
Choose one answer.
a. Deductive, valid, sound Incorrect
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Correct
d. Inductive, strong, cogent Incorrect
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect

Question 3

Statistics reveal that 86 percent of those who receive anti-dengue shots do not acquire dengue. Jack received a anti-dengue shot one month ago. Therefore, he should be immune, even though dengue is going around now.
Choose one answer.
a. Deductive, valid, sound Incorrect
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Correct
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect

Question 4

Robert has not passed any activity/quiz in this subject. Therefore, it is very likely that he will have a very low mid-term grade in this subject.
Choose one answer.
a. Deductive, valid, sound Incorrect
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Correct
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect

Question 5

Since Manny Pacquiao is a Filipino, and Manny Pacquiao is a world-class athlete, we may conclude that at least one Filipino is a world-class athlete.
Choose one answer.
a. Deductive, valid, sound Correct
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Incorrect
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect

Question 6

If the world price of oil continues to decline, then local prices of crude products will also decline. If local prices of crude products decline, then fares in public transport will go down. Therefore, if the world price of oil continues to decline then fares in public transport will go down.
Choose one answer.
a. Deductive, valid, sound Correct
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Incorrect
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect

Question 7

People have been sharing information through the internet for over a hundred years. Probably people will still be sharing information through the internet a year from now.
Choose one answer.
a. Deductive, valid, sound Incorrect
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Incorrect
e. Inductive, strong, uncogent Correct
f. Inductive, uncogent Incorrect

Question 8

This cash register drawer contains over 100 coins. Three coins selected at random were found to have dates earlier than 1945. Therefore, probably all of the coins in the drawer have dates earlier than 1945.
Choose one answer.
a. Deductive, valid, sound Incorrect
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Incorrect
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Correct

Question 9

If acupuncture is hocus pocus, then acupuncture cannot relieve chronic pain. But acupuncture can relieve chronic pain. Therefore, acupuncture is not hocus pocus.
Choose one answer.
a. Deductive, valid, sound Correct
b. Deductive, valid, unsound Incorrect
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Incorrect
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect

Question 10

Since Spiderman was written by Bob Kane, and Spiderman is about a comic-book superhero, it follows that Bob Kane wrote about a comic-book superhero.
Choose one answer.
a. Deductive, valid, sound Incorrect
b. Deductive, valid, unsound Correct
c. Deductive, unsound Incorrect
d. Inductive, strong, cogent Incorrect
e. Inductive, strong, uncogent Incorrect
f. Inductive, uncogent Incorrect
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