Short Logic Practice Set 1 (page 2)

For more practice on short logic, refer to:

• Short Logic Practice Problems Set 1 You are here
• Short Logic Practice Problems Set 2

This set contains short logic problems. Each problem consists of three statements. Based on the first two statements, the third statement may be true, false, or uncertain.

Logic problems may appear daunting at first. However, solving these problems can be done in the most straightforward way. Simply translate the abstract relationships in the questions into real-world relationships, so you can see the facts more clearly. For example, if the problem is comparing the ages of three people, make a chart and list the names of the people and their possible ages according to the information given. Or, create a diagram using symbols to represent phrases like "older than" or "greater than."

1. Tanya is older than Eric.

Cliff is older than Tanya.

Eric is older than Cliff.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
2. During the past year, Josh saw more movies than Stephen.

Stephen saw fewer movies than Darren.

Darren saw more movies than Josh.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
3. All the tulips in Zoe's garden are white.

All the pansies in Zoe's garden are yellow.

All the flowers in Zoe's garden are either white or yellow.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
4. Blueberries cost more than strawberries.

Blueberries cost lest than raspberries.

Raspberries cost more than both strawberries and blueberries.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
5. All the offices on the 9th floor have wall-to-wall carpeting.

No wall-to-wall carpeting is pink.

None of the offices on the 9th floor has pink wall-to-wall carpeting.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
6. Class A has a higher enrollment than Class B.

Class C has a lower enrollment than Class B.

Class A has a lower enrollment than Class C.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
7. Rover weighs less than Fido.

Rover weighs more than Boomer.

Of the three dogs, Boomer weighs the least.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
8. All the trees in the park are flowering trees.

Some of the trees in the park are dogwoods.

All dogwoods are flowering trees.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
9. Apartments in the Riverdale Manor cost less than apartments in The Gaslight Commons.

Apartments in the Livingston Gate cost more than apartments in the The Gaslight Commons.

Of the three apartment buildings, the Livingston Gate costs the most.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.
10. The Kingston Mall has more stores than the Galleria.

The Four Corners Mall has fewer stores than the Galleria.

The Kingston Mall has more stores than the Four Corners Mall.

The Kingston Mall has more stores than the Four Corners Mall.

1. true.
2. false.
3. uncertain.
11. Mara runs faster than Gail.

Lily runs faster than Mara.

Gail runs faster than Lily.

If the first two statements are true, the third statement is

1. true.
2. false.
3. uncertain.