Knowledge Master Home
174,000 Questions
Academic Competition
Free Questions
How to Order

Try more weekly quizzes on other topics

Weekly Quiz

Demonstrate a fearless pursuit of aukademic aukcellence by plunging, head-first of course, into these questions. Return every week for another quiz on one of the 14,000 topics in the Knowledge Master Library.

(Click on the question number for the answer.)
A deductive argument stated in a three-part form is called a ...
What logical fallacy is found below?
To allow every man an unbounded freedom
of speech is advantageous to the state for it is
conducive to the community that each person
should enjoy liberty of expression.
A. pathetic fallacy
B. assumed inverse
C. ignoratio elenchi
D. false assumptions
E. begging the question
Logical Marxism
Given this data, who is fastest?
Groucho is faster than Zeppo. Gummo
is faster than Chico. Harpo is faster than
Groucho. Chico is faster than Harpo.
Which statement is self-contradictory?
A. No old men are young.
B. All writers are females.
C. All rules have exceptions.
D. No apples have green stems.
E. All squares are quadrilaterals.
What's the conclusion?
Babies are illogical.
Nobody is despised who can manage a yeti.
Illogical persons are despised.
A. Yetis are illogical.
B. Babies are nobody.
C. Nobody is illogical.
D. Yeti managers are babies.
E. Babies cannot manage yetis.
Senior Statements
What is the converse of this statement?
All old men are retired.
Mathematical Relationships
Which relationship is, in a mathematical sense, symmetrical?
A. Alfonzo is older than Alice.
B. Alfonzo is the brother of Alice.
C. Alfonzo lives next door to Alice.
D. Alfonzo is a descendent of Alice.
E. Alfonzo is at least as tall as Alice.
Logical Statements
Translate this statement into an "All ..." form useful in deductive logic.
If it is a dingo, then it has hair.
Alphabet Soup
Name three letters that are the first half of the last six of the thirteen letters in the first half of the alphabet.
Rocky Reasoning
Disjunction is illustrated by which choice?
A. She is either Nell or Natasha.
B. Mr. Peabody is not a Mountie.
C. No squirrel's goggles are green.
D. Bullwinkle has antlers and fleas.
E. Boris and Natasha are from abroad.
What category of reasoning is used below?
Don is not rich. All movie stars are extremely
wealthy. Therefore, Don is not a movie star.
True, True
What words comprise the consequent in this statement?
Birds wear galoshes if the mountains are
inversely proportional to their colors or small
children carry anvils while watching television.
Poetic Puzzlers
As I was going to St. Ives,
I met a man with seven wives.
Every wife had seven sacks.
Every sack had seven cats.
Every cat had seven kits.

Kits, cats, sacks, wives --
How many were going to St. Ives?
Flawed Logic
What fallacy is illustrated below?
All Venezuelans are humans.
All Vietnamese are humans.
So all Venezuelans are Vietnamese.
A. tautology
B. circular reasoning
C. assumed converse
D. undistributed middle
E. argument ad hominem
Which is a conditional statement?
A. I'll go if I get you a wig.
B. I'll go or I'll get you a wig.
C. I'll go and I'll get you a wig.
D. I'll go but I won't get you a wig.
E. I'll not go nor will I get you a wig.
Latin Labels
A posteriori reasoning indicates judgments based on experience and experiment. What form of reasoning is deductive and not based on experience but only on a theory or hypothesis?
Math Facts
Which statement is not true?
A. 3 > 8 or 5 < 7
B. 4 - 1 = 3 and 9 - 2 = 6
C. 5 + 6 = 12 or 9 + 2 = 11
D. 3 x 2 = 6 and 6 x 3 = 18
E. 4 + 3 = 7 or 1 + 6 = 8 or 5 + 1 = 6
Venn Diagrams
60% of a population had tried brand X. 50% had tried brand Y. 20% had tried both. What percentage of the population had tried neither?
Roundball Reasoning
Alf, Bo, and Cal are either forwards or guards. Alf and Bo have the same position. Alf and Cal have different positions. If Cal is a guard, then so is Bo. What is Alf's position?
Which word is least inclusive?
A. people
B. Canadians
C. Manitobans
D. the Bennetts
E. North Americans
What kind of definition is illustrated below?
A point is a spot. A spot is a place.
A place is an exact location. An exact
location is a spot. A spot is a point.
A logical proposition is illustrated by which choice?
A. Let's do the twist.
B. Help me, Rhonda.
C. Good morning starshine.
D. Do you know the way to San Jose?
E. The rain in Spain stays mainly on the plain.
"All" and "no" are two of the three quantifiers used in Venn diagrams. What is the other?
Family Problems
Jake has five sisters and each of his sisters has a brother. What is the minimum number of children that Jake's parents had?
Logical Leaders
Who invented the syllogism as the keystone of his system of deductive logic?
A. Ptolemy
B. Aristotle
C. George Boole
D. Sir Francis Bacon
E. Nicholas Lobachevsky
Two Terms
Use "economists" as the first term and "soothsayers" as the second term and state a universal negative proposition.
Which is a conjunctive statement?
A. No vampire likes mirrors.
B. The Blob is slimy or molten.
C. All werewolves prefer full moons.
D. Frank is hairy and Mothra is huge.
E. It was an incredibly tiny behemoth.
A fundamental principle in logic is that a statement and the denial of the statement cannot both be true. This is the law of ...
Parts Premises
What is the conclusion of these premises?
All thingamajigs are dealios.
Some dohickies are thingamajigs.
A. No dealios are dohickies.
B. All dohickies are dealios.
C. Some dohickies are dealios.
D. All dealios are thingamajigs.
E. All thingamajigs are dohickies.
Space Faces
This illustrates which of the two major categories of reasoning?
Ijon met 15 different aliens from the
planet Zamba and each had a face like
Mr. Potato Head. He surmised that the
next Zamban would also have such a face.


Top of page

Answers to Reasoning
1. syllogism
2. E
3. Gummo
4. C
5. E
6. All retired men are old.
7. C
8. All dingos have hair.
9. H, I, J
10. A
11. deduction
12. birds wear galoshes
13. one
14. D
15. A
16. a priori
17. B
18. 10%
19. guard
20. D
21. circular
22. E
23. some
24. six
25. B
26. No economists are soothsayers
27. D
28. noncontradiction
29. C
30. induction
Top of page
©Academic Hallmarks, P.O. Box 998, Durango, CO 81302