NFSI Mathematical Reasoning and Facility 3

Question 1

A building has 6 floors, each 12 feet tall. What is the total height of the building in feet?

Accepted Answer

72

Answer

6 × 12 = 72 feet.

Question 2

A fire station responds to calls at an average rate of 4.5 calls per day. How many calls would be expected in a 30-day month?

Accepted Answer

135

Answer

4.5 × 30 = 135 calls.

Question 3

If a 1,500-gallon tank is 35% full, how many more gallons are needed to fill it completely?

Accepted Answer

975

Answer

35% of 1,500 = 525 gallons already in the tank; 1,500 − 525 = 975 gallons needed.

Question 4

A firefighter's protective gear weighs 45 pounds. If the gear represents 22% of the firefighter's total equipped weight, what is the total equipped weight (rounded to the nearest pound)?

Accepted Answer

205

Answer

45 ÷ 0.22 ≈ 204.5, rounded to 205 pounds.

Question 5

Two fire engines start from the same station. Engine A travels north at 50 mph and Engine B travels south at 40 mph. After 30 minutes, how far apart are they?

Accepted Answer

45 miles

Answer

In 0.5 hours, A travels 25 miles and B travels 20 miles; total separation = 45 miles.

NFSI - National Firefighter Selection Inventory Practice Test

NFSI - National Firefighter Selection Inventory Practice Test

NFSI Mathematical Reasoning and Facility 3