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THE LOGIC TEST
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Most of us believe we are fairly logical people. This test will help you find out just how logical you really are.
Read the statements numbered below and select the letters for the conclusions you think are justified by the statements. For the purposes of the test, all statements, no matter how unlikely, are assumed to be true. It may be that one, two, three or all four of the conclusions are warranted. You select only the letters for the ones you believe do follow logically from the given statements.
Remember that logic and common sense do not always agree. Logic works only with the information provided by the statements. Beware of assumptions based on information not actually given. Only Problem Number 3 requires an exercise of common sense, and this problem comes with its own clue (information given in the clue must be used to solve the problem). It is designed to test if you can distinguish why certain conclusions cannot be drawn from the given statements.
The scoring system is given on the answer page, after the answers and explanations for the problems have been given. Click on the Problem and its # (i.e., PROBLEM 1) to go to the answer and explanation for that Problem. Now be logical about this and enjoy yourself!
PROBLEM 1
1. Fido is a dog.
2. Most dogs are pets.
3. Dogs are friendly.
4. All pets are animals.
A. Fido is friendly.
B. Fido is an animal.
C. It is more likely that Fido is a pet than not.
D. Pets are friendly.
PROBLEM 2
1. All houses have front doors.
2. Some houses have windows.
3. No houses have sails.
4. Ebenezer's house has a back door.
5. Houses with back doors have gardens.
A. Ebenezer's house has windows.
B. Ebenezer's house has a garden.
C. Ebenezer's house might have windows.
D. Ebenezer's house does not have sails.
PROBLEM 3
1. All stars are in the sky.
2. Warren Beatty is a star.
3. The Sun is a star.
4. Stars are not planets.
A. Warren Beatty is in the sky!
B. The Sun is in the sky!
C. The Sun is not a planet.
D. Warren Beatty is not a planet!?
CLUE: This one requires a decision about what the word "star" refers to. Using common sense and logic, pick the meaning of "star" that best fits the majority of the four statements. Only then can any logical conclusions be drawn.
PROBLEM 4
1. When Scrooge walks to work he carries a briefcase.
2. Everyone in Scrooge's family is tall.
3. When Scrooge carries a briefcase he is busy.
4. Scrooge's wife and daughter are redheads.
A. Scrooge is a redhead.
B. Some redheads are tall.
C. When Scrooge walks to work he is busy.
D. Scrooge sometimes drives to work.
PROBLEM 5
1. Cassius is a black cat.
2. All black cats are black.
3. All black cats are cats.
4. Black cats are not dogs
A. All cats are black!
B. At least one cat is black.
C. Cats are not dogs.
D. Cassius is not a dog.
PROBLEM 6
1. If Plato's car is red, then there are at least ten red cars.
2. There are eleven red cars in Oklahoma!
3. If there are more than ten blue cars, then Plato's car is blue.
4. There are eleven blue cars in Oklahoma!
A. Plato's car is red.
B. Plato's car is blue.
C. There are as many red cars as blue cars in Oklahoma!
D. There are at least 22 cars in Oklahoma!
PROBLEM 7
1. All jazz singers can improvise.
2. Ella is a jazz singer.
3. Some jazz singers are women.
4. Male jazz singers use microphones.
A. Ella is a woman.
B. Ella can improvise.
C. Ella does not use a microphone.
D. Male jazz singers cannot improvise while using a microphone.
Check Answer Page for answers and explanations, as well as the scoring system (at the end).
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