NFSI Mathematical and Numeric Reasoning 3

Question 1

A fire station responds to an average of 14 calls per day. Approximately how many calls does it handle in a 30-day month?

Accepted Answer

420

Answer

14 × 30 = 420 calls.

Question 2

A nozzle has a flow rate of 250 gallons per minute. A tank holds 1,500 gallons. How long, in minutes, before the tank is empty?

Accepted Answer

6 min

Answer

1,500 ÷ 250 = 6 minutes.

Question 3

Of 180 recruits who applied, 45% passed the written exam. How many recruits passed?

Accepted Answer

81

Answer

180 × 0.45 = 81 recruits.

Question 4

A building has 8 floors and each floor is 12 feet tall. A firefighter uses a ladder that reaches 75 feet. To which floor can the ladder reach?

Accepted Answer

6th floor

Answer

75 ÷ 12 = 6.25, so the ladder reaches the 6th floor.

Question 5

A truck travels 18 miles to a fire and returns the same distance. If it averages 36 mph for the entire trip, how long did the round trip take?

Accepted Answer

30 minutes

Answer

Total distance = 36 miles; 36 ÷ 36 = 1 hour = 60 minutes — wait, 36 miles ÷ 36 mph = 1 hour; correct answer 60 minutes.

NFSI - National Firefighter Selection Inventory Practice Test