Inference Drill Pack

Question 1

All of the conference speakers arrived by train. Some of the conference speakers are engineers.

Which of the following must be true?

1. A. Some engineers arrived by train.
2. B. All engineers arrived by train.
3. C. Some train passengers are engineers.
4. D. No engineers flew to the conference.
5. E. The conference was about engineering.

Answer: ______

Question 2

The store's return policy allows returns within 30 days with a receipt. Maya returned a lamp on day 29 with her receipt, and the return was accepted.

Which of the following is most strongly supported?

1. A. The store always accepts returns.
2. B. Maya's return met the store's stated conditions.
3. C. The lamp was defective.
4. D. Receipts are required for all purchases.
5. E. Day 29 is the best day to return items.

Answer: ______

Question 3

Whenever it rains, the soccer field is closed. The field is open today.

What can be properly inferred?

1. A. It rained yesterday.
2. B. It is not raining today.
3. C. It will rain tomorrow.
4. D. The field is never closed.
5. E. Soccer is canceled today.

Answer: ______

Question 4

Every student in the honors program studies at least three hours a day. Maya is in the honors program, and she studies exactly two hours a day.

Which of the following can be properly inferred from the statements above?

1. A. Maya will soon be removed from the honors program.
2. B. Maya studies more than most honors students.
3. C. The statements above are inconsistent with each other.
4. D. Maya studies more than three hours on weekends.
5. E. Some honors students study less than three hours a day.

Answer: ______

Question 5

No professional basketball player is under 5 feet 9 inches tall. Devon is 5 feet 8 inches tall.

Which of the following follows logically?

1. A. Devon is not a professional basketball player.
2. B. Devon is 5 feet 8 inches tall because he is not a professional player.
3. C. All people under 5 feet 9 inches are bad at basketball.
4. D. Some professional basketball players are 5 feet 8 inches tall.
5. E. Devon would be a professional player if he were taller.

Answer: ______

Question 6

All of the museum's ancient coins are kept in the basement vault. Some items in the basement vault are on loan from private collectors.

Which of the following can be properly inferred?

1. A. Some of the museum's ancient coins are on loan from private collectors.
2. B. All items in the basement vault are ancient coins.
3. C. Some ancient coins in the vault may be on loan from private collectors.
4. D. The museum owns all of its ancient coins.
5. E. Private collectors own the basement vault.

Answer: ______

Question 7

The committee approved every proposal submitted before noon. The solar panel proposal was submitted at 11:30 a.m. and was not approved.

Which of the following must be true?

1. A. The solar panel proposal was submitted after noon.
2. B. The committee's rule has at least one exception.
3. C. The solar panel proposal was the only one submitted before noon.
4. D. The statements are contradictory, so nothing follows.
5. E. The committee never approves proposals.

Answer: ______

Question 8

If the train is on time, Priya will make her connection. Priya missed her connection.

Which of the following follows logically?

1. A. The train was on time.
2. B. Priya will catch the next train.
3. C. The train was not on time.
4. D. Priya never makes her connection.
5. E. The connection was canceled.

Answer: ______

Question 9

All of the bakery's sourdough loaves are baked fresh each morning. The loaf on the counter is not fresh.

What must be true?

1. A. The loaf on the counter is sourdough.
2. B. The loaf on the counter is not one of the bakery's sourdough loaves.
3. C. The bakery does not sell sourdough.
4. D. The loaf was baked yesterday.
5. E. All fresh loaves are sourdough.

Answer: ______

Question 10

Some of the runners in the race are marathon veterans. All marathon veterans have completed at least one 26-mile race.

Which of the following follows logically?

1. A. Some of the runners in the race have completed a 26-mile race.
2. B. All of the runners in the race are marathon veterans.
3. C. No first-time runners are in the race.
4. D. Every marathon veteran is in this race.
5. E. The race is 26 miles long.

Answer: ______