FREE NYC Civil Service Deductive and Inductive Reasoning Questions and Answers

Question 1

A city parks supervisor observes the following: In July, the sprinklers in Central Park were activated 15 times and the grass remained green.
In August, the sprinklers were activated 20 times and the grass remained green.
In September, due to heavy rainfall, the sprinklers were only activated 5 times, and patches of grass turned brown.
Based on these observations, which of the following is the most logical inductive conclusion?

Accepted Answer

Activating the sprinklers at least 15 times per month is likely necessary to keep the park grass green during the summer.

Answer

The grass in Central Park will always be green if the sprinklers are used more than 10 times a month.

Answer

Heavy rainfall is the only cause of brown grass in city parks.

Answer

The sprinklers are the only source of water for the grass in Central Park.

Question 2

Consider the following premises:
1. All NYC Department of Transportation (DOT) employees are required to wear a safety vest when working on active roadways.
2. Juan is working on an active roadway.
3. Juan is a DOT employee.

Which of the following is a valid deductive conclusion?

Accepted Answer

Juan is required to wear a safety vest.

Answer

Some DOT employees wear safety vests.

Answer

Juan should consider wearing a safety vest.

Answer

Anyone working on a roadway must be a DOT employee.

Question 3

An analyst for the Mayor's office is reviewing citizen complaints. The analyst notes that in the last three months, every complaint filed about the B38 bus route mentioned overcrowding. The analyst reports to their superior, 'Based on the consistent feedback, the B38 bus route is likely experiencing significant overcrowding issues that need to be addressed.' Which of the following best describes the analyst's reasoning?

Accepted Answer

Inductive Reasoning

Answer

Circular Reasoning

Answer

Deductive Reasoning

Answer

Analogical Reasoning

Question 4

A city ordinance states: 'Any food vendor operating within 500 feet of a school building during school hours must not sell sugary drinks.' An inspector finds a hot dog stand 300 feet from P.S. 101 at 11:00 AM on a Tuesday. Which of the following actions is a logical deduction based on the ordinance?

Accepted Answer

The vendor is in violation of the ordinance if they are selling soda.

Answer

The vendor must be selling only healthy snacks.

Answer

The vendor should be shut down immediately, regardless of what they are selling.

Answer

The inspector can conclude that all vendors near schools sell unhealthy food.

Question 5

An employee at the Department of Buildings reviews five permit applications processed by a new automated system, and all five are error-free. The employee concludes, 'This new automated system is flawless and will never make an error on a permit application.' This conclusion represents a potential flaw in what type of reasoning?

Accepted Answer

Inductive reasoning, due to a hasty generalization from a small sample size.

Answer

Deductive reasoning, because the conclusion is too specific.

Answer

Circular reasoning, because the conclusion restates the premise.

Answer

Analogical reasoning, because it compares the system to a person.

Question 6

Read the following statements:
1. If a sanitation truck's route is classified as 'high-density,' it must be equipped with a GPS tracker.
2. Route 7B is classified as 'high-density.'

Based on these premises, which of the following MUST be true?

Accepted Answer

The sanitation truck assigned to Route 7B must be equipped with a GPS tracker.

Answer

All sanitation trucks have GPS trackers.

Answer

Any truck with a GPS tracker is on a high-density route.

Answer

Route 7B is the only high-density route in the city.